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Lunar 1980luhc.conf....1M Summary-This depths extremely could and ciently areas The who number rationales to highlands. editing Team." verse plains Cayley R. 1 Investigator, This Mission The The delineate 0. and suites units are of be is as Planning Pepin premission of report studied was and of an the The unfamiliar obtained well penetration developed of Planetary complex, are samples Although invited Descartes done samples the samples and respective Field as concludes Geology composed or Team; Descartes nature document W. by objectives exploration have by committee Geology taken with C. for or Muehlberger and that premission future as The materials. Ulrich: and even not Lunar Branch, Phinney the roles stratigraphic Institute mission with depositional U.S. of were to University Mountains, is been exploration origin investigation Apollo fragmental Team; reconstruct chaotic, report strategy of and a a Proc. collected Geological Co-Investigator NASA committee It summary are the hypotheses planning studied and Planetary Printed of is Conf. W. Horz: Papike, gratefully written hoped above for two probes. mechanism(s). of at Horz. was • Friedrich the of Johnson Lunar impact for G. Texas local in R. J. Apollo at Provided of Survey, the major 16 Mission J.J. the in major of to specific that all. individuals report these geological by R. Institute, Highlands Contributions Muehlberger general erroneously E. United and use currently stratigraphic-structural Specific Apollo acknowledged. at deposits; landing some While future and Space 16, physiographic Merrill, mission Sevier Austin, Austin, Austin, I impact Ulrich special Flagstaff, Science which States local additional Pl Crust and 16 Horz members Houston, studies sampling such Center, by R.B., for viable site, of representative, objectives, objectives craters present sample more favored outlines (1980), America Crew of Apollo the eds. stratigraphic-structural Arizona our of P. hypotheses site insight of Houston, Texas p. units specifically procedures, exploration Texas samples of most NASA Butler, suites. Texas Instructor; debate 1-49 the a scientific various 16 were are volcanic 86001 of relationships 1 "Apollo important were: 77058 into described 78712 the Field J. and successfully focuses Astrophysics W. concerning diameters local with lunar operational objectives Sevier: Muehlberger: other origin Geology Head, 16 77058 mission Apollo geologic on for Traverse central are data relationships Chairman, for specific lunar C. and accomplished: either the of may and Team. constraints, to A. the 16. associated highlands. processes scientists the origin Principal Planning Hodges, the specific provide A Cayley insuffi- source Data lunar large Final Tra- are of System © ©

Lunar Lunar 1980luhc.conf....1M

and and

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of of

morphologically morphologically

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(Fig. (Fig.

regional regional

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objectives objectives

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J. J.

understanding understanding contained contained

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16--Constructional 16--Constructional

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12-Relatively 12-Relatively

11-Relatively 11-Relatively 17-Pre-lmbrian 17-Pre-lmbrian

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remains remains

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Apollo Apollo

lunar lunar

a a

information information

especially especially

recognized recognized

members members

differs differs

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mission mission

pyroclastic pyroclastic

16 16

C. C.

the the

of of

of of

missions missions

vast vast

samples, samples,

Institute Institute

Muehlberger Muehlberger

at at

units units distinct

especially especially

site site

lunar lunar

local local

Duke? Duke?

of of

processes processes

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Apollo Apollo

the the

model model

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for-most for-most

body body

the the

16 16

sampling sampling

from from crust crust

from from

was was

were were

Apollo Apollo

only only

rationales rationales

past past

1 1

and and

crustal crustal

Apollo Apollo

mission mission

R. R.

consisting consisting

interpretations, interpretations,

sample sample

sampled sampled

a a

old, old,

young, young,

from from

could could

Much Much

photographs photographs

of of

materials materials

the the

selected selected

J. J.

0. 0.

16 16

geologic, geologic,

Imbrium Imbrium

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newcomers newcomers

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INTRODUCTION INTRODUCTION

al. al.

evolution. evolution.

Sevier Sevier

telescope telescope

be be

sample sample

to to

this this

of of

the the

the the

other other

light light

the the

suites suites

evolved evolved

fide fide

would would

the the

crust crust

literature literature

(usually (usually

and and

the the

mare mare

unearthed unearthed

because because

the the

of of

of of

Basin Basin

Cayley Cayley

structural-stratigraphic structural-stratigraphic

detailed detailed

rim rim

geologic geologic

central central

site site

(Chairman), (Chairman),

and and

highland highland

which which

site. site.

mare mare

G. G.

individuals individuals

the the

suite. suite.

contributions contributions

Descartes Descartes

from from

general general

were were

result result

and and

What What

by by

to to

E. E.

basalt basalt

of of

will will

geology geology

Planetary Planetary

in in

lunar lunar

contained contained

principally principally

Why Why

only only

our our

the the

Ulrich. Ulrich.

basalt basalt

the the

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it it

lunar lunar

formal formal

plains, plains,

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verbal verbal

Apollo Apollo

investigated investigated

processes processes

and and

was was

in in

play play

was was

mission, mission,

original original

J. J.

lunar lunar

program. program.

unfortunately, unfortunately,

Imbrium Imbrium

highlands highlands

NASA NASA

once) once)

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rim rim

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W. W.

landing landing

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highlands, highlands,

disseminated disseminated

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possible possible

considered considered

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and and

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Sample Sample

Head, Head,

we we

of of

16 16

descriptions descriptions

in in

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exploration exploration

central central

the the

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Astrophysics Astrophysics

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Horz, Horz,

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Mauro Mauro

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C. C.

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Why Why

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local local

Descartes) Descartes)

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mare mare

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because because

M. M.

documented documented

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hoped hoped

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astronauts astronauts

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formation formation

individual individual

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benefit benefit

Data Data

Meyer, Meyer,

hope hope

local local

scientific scientific

and and

with with

field field

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basalts basalts

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Moon Moon

better better

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source source

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con-

how how

11% 11%

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System System

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J. J. J. J.

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Lunar 1980luhc.conf....1M geologic tains" unit. of interpreted as The highlands two and principal helms Fig. major (Fig. process Planetary 1. plains and Distribution physiographic 2). geologic McCauley volcanic and On units Institute the (b) of and objectives (1971). formations Cayley the PREMISSION basis Regional thus units, Descartes The Mission plains of • considered locations the of Provided their (Milton, material and the "Cayley objectives mountains, topographic Apollo of local ACTIVITIES on the the 1968; by the Apollo plains" geology for result 16 lunar the Wilhelms geological a mission more landing expression NASA front of and a localized side the sites were significant, and exploration Astrophysics according "Descartes are McCauley, the both also physiographic investigation shown. to units moonwide Wil- Moun- 1971; were Data 3 System ©

Lunar 1980luhc.conf....1M and 4 and topographic Milton basalts. rich Due Planetary Goetz, in of Fig. tailed phology tains. and to Si a They 2. Rover W.R. investigation their The and Regional Hodges, 1972). depressions, of extremely were plains traverse, Al Institute Muehlberger subdued, because view interpreted materials 1972; of provided bright relatively of the the relatively Elston • of et ejecta in Apollo Cayley Provided al. contrast excellent their recent either aprons et 16 substantially flat al., plains lunar landing to potential as (North rugged by topography 1972; genuine regolith were the site. and for appearance Trask Note NASA processes. interpreted South stratigraphic higher flows-supported relatively and and Ray of Astrophysics albedo ponded McCauley, the craters), probing as subdued, Descartes volcanic relative within nature and by flat 1972; for Moun- reach Data well mor- deposits, to de- in Head mare local doc- System ©

Lunar 1980luhc.conf....1M deposits, the ingly to (1962) Thus July Mountains umented "smooth" ships formation formation failure an Cayley of the the relations fill. been phology demonstrated close No topography mountains tinuing pre-planned plore (1972) advance, didate mission results that nature being answer Descartes The In The All regional site origin and Lower Descartes genetic younger underlying 1969 specific contrast could mapped of the to the considered of even general for of had "Descartes" may priorities. mandate into plains can superposition have a interpretations Planetary the led embayment as analogous Apollo rather and Descartes central had Apollo between pre-determined facies Mountains crater were is volcanic not interpreted rendered be described very be inferred relationship above location.) sampling to age been virtually to NASA in this were stratigraphic to materials given, identified account topography locally than different the several 13 of in be recent for densities relative highlands. 19 Nevertheless, capability recognized, observations to Imbrium the general to consistent at sources Institute widespread from by Mountains site as a being was could but relationships land occurred, gradational least objectives terrestrial unique Subsequently, "crater contradictory Imbrium early the go the for (Copernican) deposited places to for was contributing interpretations. seemingly concentrating to point at were wrong? relationships "generalized" any site have well the 1000 in plains seemed the As ejecta, "Fra the as Mission in always on although with certain age" • (Wilhelms selection moonwide local were Apollo observed leading December early for benefit Cayley are established, Descartes been basin volcanic m plains, the could Provided transitions Mauro" last, with circumferential thick, this Of Apollo superposition thin, still to objectives rather considered moon. deposition interpreted or lunar as the factors emplaced event areas. course, be 16. of concept and to be similar on plains, of valid other regional June but committee, veneer-like Why on based extrusions, cancellation and future as required the extent developing both (Apollo precisely contributed uncertain. 1969 time. 12. remained with No by between Descartes, it they and although of for today, lhuh Eggleton Although view 1969, McCauley, terra hilly and This the was no almost the was on an the other sequences. by an mission geological Crater volcanic as cratering extrusion of relationships were precise historical topography for morphology 11 that where to Cayley attractive and landing NASA volcanic abandoned recognized the was it features--or and although determined surface perhaps a Cayley Analyses had deposits the was of locally their formation. Imbrium contemporaneously, to on the high furrowed which plains. density extremely by planning. a Apollo capability did activity successfully 1971). and exploration Apollo event considered plains serious Apollo of within Astrophysics October Milton deposits and priority "constructs" and landing the along the puzzling the in of of especially and Therefore, because and of that statistics sculpture and The a part materials was and as 18-20 actual the identical preferred and Descartes. basaltic possibly superposition 11. philosophical reassessment 16 100 and important topography. placed fissures. to pyroclastic the 1969 planned site mimicking plains Descartes Descartes site Descartes supported Apollo apparent. land as landed Marshall m relation- it Hodges mission and rugged on a for seem- of it to single mare local have mor- their as con- with with Data very can- pre- was and the ex- the the an 12 in in in a 5 System ©

Lunar 1980luhc.conf....1M and 6 failed; using blad future area early in ready fore formation formations only gous that tings. advanced emplacement the "Descartes" severely single an criteria cartes 14 Apollo proach, best; by style sions mission photogeologic vations, sound against hensive selblad Except view 1972). The In As Philosophically, June additional was the Descartes Planetary had it was conceivable the cameras to in of and/or mission, for a indicated Apollo well objective mountains, mission The was Apollo hypotheses lunar high 15. the photos the were which of particular to for employing site missions preparations context masked in seemingly deemed Apollo spacecraft of W.R. underway 1971. take that It part desirable Apollo mare albedo characterization resolution Hasselblad the composition roving inducement: as based of 14 was equipped Mountain 11 interpretations planning actual in (Milton above, appeared Institute Muehlberf?er missions appropriate complemented the Imbrium had the of by Detailed, 15-17. analogues. basalts and spite to insufficient thought no the apparent other the 16 maps, for little impact primarily other Apollo technology Cayley vehicle, returned to stereoscopic at also findings 12 experience uniformitarian photographic highlands topographic of and geologic (see this select with It landings remote unit was structural to (Apollo photography basin. the the included to planetary complementary occurring • was photogeologic processes, be et 16 Hodges, that time. plains. also pictures, Provided using have to site desired. 80- to fact on complex were al. presence may for little site thus by and the Similarily assure sensed petrogenetic volcanics exploration. earth Hinners, and selection had 11-14) is imagery Apollo formed that data by complexity; Ranger be camera, Orbiter modified not primary It greatly one possible coverage bodies, somewhat principle 1972). occurred The if 500 the especially probably tested. impact photographic based spacecraft- of sets information was fully by not of to study 16 by a Apollo complex mm data ponded was hypothesis, 1972). VIII philosophies the the augmented dual IV modified second from Furthermore complemented mission notably by a on developed volcanic successful. telescope for is processes Ten It products landing lenses. available. imagery strongest in NASA ideally, later large sets represented and the Apollo and photos the leads detailed a Site relatively Cayley years and wide breccias physiographic was basis other objectives. Voyager's to even beyond coverage scale in lacking process Selection surface site the The astronaut Astrophysics a assist to seemingly photography 16 and highlands (e.g., not (Milton, evolved in variety arguments after geologic to Scientific a site Final multiple plains Apollo preparations impact to working on the by multidisciplinary formulate topographic feasible simple were a the recognition. add stereophotographs studies and different Head vokanic mobility different handheld Apollo of lunar spectacular of Board Apollo constituted acceptance from 1968). safety; expected the exploration unit, 16 processes related setting history. greatly techniques purpose site geologic for at hypotheses, and site crust and was Descartes physically this 11 Data primarily provided occurred the from selection highland eruptive were compre- Specific 14 Hassel- camera offered Apollo Goetz, There- and obser- analo- to fair refine time. With were from Des- Has- find- mis- and set- the the the ap- System al- of of at in in ©

Lunar 1980luhc.conf....1M

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in

on

the

an

this

safety,

North

to

g'eologic

set

panoramas

the

study

North

a

primary

within

Stone

largely

an

plains,

case

a

the

philosophy

can

the

11

spend

unprecedented

samples

good

to

and

ejecta

of

at

fresh,

Cayley

crater?'').

intermediate

and

the

sample

the

special

rims

factor

the rim,

small

and

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it

the

the

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from

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Mountain

had

the

and

on

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with

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possibly

mission

amount

earliest 12),

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570

funda-

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to

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of

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event

to

scale

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Data

was

soil

(2!)

ray

rel-

the

the

are

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of

9

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Lunar 1980luhc.conf....1M and only total limitation the to selected, at at consumables cross-section ducted The to mission, mation. roving was was no the attempt avoidable and as of intervening implementation mandatory the were not pling, "consumables" "walk For the mous photographic pling IO "consumables," Thus, Another the at any efficiently fulfill low modifications Planetary lack most only astronauts cable example, 11/12). made LM rigorously least a mass. activities. attached most discipline sometimes specific limited back" vehicle, under priority repair of the based the landed total detailed indeed ensure is impact to W.R. late constraint, distant, any stops Once Within in above principal station as the reserves envelope a of documentation it number range of station. part in to could on Institute revised the applied. possible, tasks. These of of iterative such virtually at Muehlber1;er a the representative aiming the to heat on EVA for restricted the and at formidable limitations contingency astronauts almost EVA major consumables reflected this the subsequent a of Cayley heat observations, as make astronauts' activites unusual were purposeful mission given flow of Although "cuff Early 2 schedule defined traverse traverses oxygen of plans Unscheduled limit, and thereby option(s) mandated specimens stations flow precisely • TV the experiment it to by et station, Provided plains lists" and return therefore for Young task back for and cable. as the objectives, al. a maximum) geographic antenna THE plans the and away activities related mobility including had rigid gaining mobility, sampling. (1, detailed uf including cuffs little terrestrial seemed procedures by such most allowed etc. number and that to the coolants to could 4 and a and The to MISSION to any time-distance from stops-at the maximum additional as the preplanned by (thus during be etc., as their it the time representative was Duke. to decision 5 and necessary. verbal standard, abbreviated would the 11 and be LM distribution budgeted time going the LM the of or geologic the successive / carried 3) the sampled, 12), for enormously relationship Rover appeared most station short 10 hopefully the crew on NASA LM, scientific area and the geologic be descriptions stay straight back sampling 1) were minutes. to foot early point distant stops navigational framework most additionally by field crew's weight, such to abandon The but was times. time performance, station of to maximized no Astrophysics to dispense the if EVAs. sample (Fig. the part to also work, dashes station a prudent observations accidental at increased that the necessary be to more stations stations could Successful crew. station. obtain discretion-had Detailed intermediate samples; even the the times attest the such of Rover 4). at EVA for was suite than complicated to most information, the tasks any EVA be These Descartes Thus, time to for to repair first, all a near Stations and This by to the defined breaking former accomplish to visit 2 failed; reasonable = check given had status stay a promising activities. sampling, Data and the was and the available 1 fact possibly dictated 80 nominal deletion the without initially caused weight ranges efforts (when to times enor- lunar kg sam- sam- time con- lists that LM this two for- and 1, un- System by be of of in 2) 4 ©

Lunar 1980luhc.conf....1M

decision delayed resulted.

pled

might

A

and

than

major

Fig.

ifications

have

for

Planetary

to

4.

As

any

Apollo

lift

6

change

affected

a

of

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other

consequence,

off

EVA

16

at

because

in

landing

Institute

3.

area

the

the

the

preplanned

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of

site

preplanned

of the

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and

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Moon!

LM

actual

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area

problems

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EVA

even

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for

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accomplished

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geological

NASA

EVA

the

16

the

design

is

command

.

lunar

3

more

Note

exploration

Astrophysics

was

resulted

the

landing

intensively

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from

from

which

Data

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I I

7

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Lunar 1980luhc.conf....1M and features collected the tographic premission volcanic ably cratered To The in lished: to pretations cias Ray Details AFGIT been 12 generally By that majority melt unsampled, penetrated 1. This The The material high-sun 2. mation not rocks 15 samples Four 5 EVAs The m Stone Planetary keep the far formation hours, of samples smoothest were Crater influence similar, rocks thick expected was returned variable central below (1) end of for distinct are the (in terrain may of Mountain may 2 were orbital less tasks the depositional interpreted W.R. seem the as and into which are of the South and press). very maximum discussed collected if the inferred from be be than 70 primary of EVA Cayley central of impact Institute (Schaber, rare. colors, have "central area 3 were not very with viable. (4) geologic Muehlberger photographs identified. South the rim, as blocky both permitted Ray (Stations South identical, hypothesis 1 well on exposure double competent In several deleted area of it to breccias, area m highest location clast POST processes time briefly the Crater, Also, Ray the general, became area" Cinco deep. be crater as AFGIT, areas Geologic • Ray on Cayley At plains a South available contents 4, only in Crater Provided core et tens at bench surprisingly, in MISSION below; revealed on 5, the ages al. detailed Cayley Crater Station a. rather is and for these with some strata. obvious lithological Schaber and stops and crater Stone tube now of where Cayley Ray 1980). needs plains sampling setting of the inside meters and associated 6) history for a stations. than 600 ejecta replaced samples 5, 2 (64002/64001), at The by work ejecta. much no Mountain at crew m.y., that the matrix characteristics; sampling, EVALUATION lower North to (AFGIT, Indeed as plains, Station m Descartes Buster the volcanic bright of rocks of be character. (see south LM are the on well most photographed samples more the The surface NASA are determined so by on Ray sample the still Descartes Figs. it landed (2) Crater 4 ray were collected as generally impact Stone from of of some best (Sanchez, is rocks. detailed in returned Crater unsolved Stone and the the a which the material relief. press) Astrophysics 3 on Some highly materials candidate relatively was at and of Cayley Mountain, samples Descartes related LM This the Station Mountain, include the highlands. in accepted account a is The 4). not samples. concludes specific AFG that hummocky field the and irregular, which as in pattern genuine preplanned appear as hypotheses regolith this yet can described final shallow the for various 2 IT, of impact level an Mountains. and is apparently age unopened. Apollo Data Descartes Descartes fragments area, (3) be prevailed Thus Although traverse. in given area (impact) remark- that densely a press). as ejecta, of North estab- is depth inter- small brec- pho- System had and in two 10- for- the the for by 16 a © ©

Lunar Lunar 1980luhc.conf....1M

inter-ray inter-ray

crystalline crystalline

68115 68115

appear appear

a a

which which

between between exposure exposure

(McKay (McKay

younger younger

4 4

of of

lieved lieved

with with

4. 4.

offer offer

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ments, ments,

Station Station

Cayley Cayley

terestingly, terestingly,

formed formed

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although although

This This

in in

amples amples

anorthosite anorthosite

at at

to to

minor minor

(metaclastic (metaclastic

3. 3.

small small

materials materials

melt-poor, melt-poor,

press). press).

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sibly sibly

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km km

South South

Station Station

meter-size meter-size

South South glass glass

North North

avoid avoid

and and

the the

km-wide, km-wide,

strong strong

matrix matrix

from from

crater, crater,

a a

and and

such such

should should

part part

to to

samples. samples.

to to

The The

absence absence

at at

to to

8 8

unit. unit.

homogeneous homogeneous

downfaulted downfaulted

than than

Ray Ray

and and

and and

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some some

Planetary Planetary

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stratum stratum

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ages ages

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was was

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have have

that that

13, 13,

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of of

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samples. samples.

its its

the the

and and

dominant dominant

possibilities possibilities

caused caused

crystalline crystalline

derived derived

Heiken, Heiken,

boulders boulders

obviously obviously

Samples Samples

shielded shielded

Crater Crater

South South

Crater Crater

Smoky Smoky

boulders boulders

South South

Crater Crater

0.75 0.75

represent represent

the the

and and

selected selected

glass-filled glass-filled

for for

of of

time. time.

the the

230 230

source source

been been

produces produces

soil soil

of of

core core

These These

from from

(dark-matrix (dark-matrix

and and

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or or

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km km

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by by

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particles particles

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should should

Institute Institute

(Stations (Stations

It It

irregular irregular

Mountain Mountain

identified identified

from from

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tube tube

block block

rock rock

1973). 1973).

two two

from from

to to

from from

at at

matrix matrix

are are

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appear appear

is is

within within

larger larger

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reached reached

Cayley Cayley

rock) rock)

of of

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contamination contamination

possible possible

South South

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type type

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Mission Mission

core core

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8 8

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rock rock

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to to

50 50

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meter-size meter-size

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4, 4,

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coarsely coarsely

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Station Station

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69001, 69001,

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(light-matrix (light-matrix

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patterns patterns

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to to

material material

examine examine

anorthosites anorthosites

8, 8,

do do

dark-matrix dark-matrix

impact impact

Station Station

area area

samples samples

ages (ca. (ca. ages

68415 68415

lie lie

reference reference

and and

(Reed, (Reed,

rim rim

by by

9 9

breccias breccias

South South

Ray Ray

presence presence

Arvidson Arvidson

not not

for for

not not

ejecta, ejecta,

Ray Ray

ages ages

on on and and

will will

at at

11 11

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by by

material material

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record record

visible visible

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may may

and and

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that that 9 9

and and

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sample sample

Crater Crater

at at

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provide provide

AFGIT, AFGIT,

are are

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NASA NASA

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in in

was was

was was

4.26 4.26

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South South

at at

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time time

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68416 68416

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have have

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LM LM

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Crater. Crater.

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sampled sampled

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Baby Baby

b.y.) b.y.)

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for for

al., al.,

and and

the the

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exploration exploration

(Ulrich, (Ulrich,

only only

of of

as as

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soils. soils.

to to

of of

orbital orbital

area area

a a

Astrophysics Astrophysics

Ray Ray

penetrated penetrated

locality. locality.

(fine-grained (fine-grained

in in

characterizing characterizing

67915) 67915)

the the

4. 4.

good good

1975) 1975)

may may

in in

melt melt

finely finely

may may

at at

their their

Ray Ray

which which

is is

et et

appears appears

between between

common common

boulder boulder

Ray Ray

press). press).

clues clues

Samples Samples

exposure exposure

Crater Crater

blocks blocks

approximately approximately

plains plains

(LM, (LM,

the the

Boulder Boulder

a a

plains plains

Angular Angular

to to

in in

al., al.,

photographs photographs

be be

very very

comparison comparison

poor poor

AFGIT, AFGIT,

Crater, Crater,

represent represent

on on

could could

excavation excavation

ejecta. ejecta.

an an

site. site.

sample sample

brecciated brecciated

are are

to to

good good

1974). 1974).

samples samples

10, 10,

a a

regolith regolith

Several Several

to to

attempt attempt

include include

present present

are are

friable, friable,

or or

Smoky Smoky

recog-

rocks. rocks.

in in

hill hill

richer richer

Some Some

65015 65015

chips chips

holo-

have have

have have

frag-

ages ages

pos-

10a) 10a)

Data Data

still still

the the

the the

be-

In-

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an an

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A A 13 13

in in

a a System System ©

Lunar 1980luhc.conf....1M and juxtaposition 14 and environments implications there were nance pact processing igneous cally AFGIT, Apollo Despite Planetary relative 20 10 craters, significant dislodged Fig. C cias; difference. to related (Wilshire the mass) dark is appears 1 16 : handspecimen to STATION STATION no Descartes igneous 5. in 8 clasts; W.R. these sample metamorphic, by 2 Relative by pairs; : obvious press). abundance, (Fig. I light 4 beneath the et Wilshire based meteorite Rocks Institute from to rocks; al., samples 8 Muehlberger four their matrix-dark 4 Mountains samples : 5). exist, frequencies collection STATION 1973). dark description Despite STATION in on their sample C discrimination et Their geographically the 2 group : al. matrix-light surface metaclastic 2 could the even impact and Apollo original • (AFGIT, (stations recovered clast chemistries 1 of an et Provided various and provenance and are especially various within al. be breccias; enormous STATION characteristics STATION from is macroscopic-textural here 16 despite collected rocks; 4 clast source in overwhelming. and landing 8 and lithologies II "Cayley" is press). lithologies appear individual breccias; 5) by 8 G are by including 0 3 0 and morphologically : area. distinctly clast relating = intermediate textural the also (Wilshire Note glasses; STATION STATION site North grossly encountered plains color 8 Because and NASA grossly 5 that 13 prior sampling appear 9 : a dark criteria Ray to 8\: and This stations, variety large different proximity 8 color structural et similar 1 light to Crater is -8 matrix-dark Astrophysics al., similar. at no not to implies being of 2 variety breccias and matrix-light distinct LM-ALSEP each stations those 468 of distinct have necessarily (stations 1973; small in 8c8 rocks samples station to excavated of and lithologic The that of with clast resided various group 5 Wilshire settings where scale sample are breccia 11 clast ranging according stratigraphic evidence a (> light the breccias and STATION genetic closely 2 Data 1 g brec- from geologic samples and in size 13). by statisti- type(s) for 6 in prove- types, et close from local al., System im- the for ©

Lunar 1980luhc.conf....1M tives early annotated was site: extent lithologies tives, sample and activities impacts. In Horz was bined existence ple 1 from each appear Rake rake histories structural Considering and mation samples statistically significant that representative concurrently. source 1000 For While 1. Rake the suites. and to clarity (large) encouraged insufficient 1980. some et a) Lateral sampling procedure emerge other g) of samples specific in emphasize following, al. beyond areas stations sample and/or Stations might samples was with efforts each Planetary of were Complex Based in (1972). of "exotic" relationships make Ultimately (i.e., soil specific this an considered an Continuity procedures, when time outside results allocations geologic preplanned on emerge. considered asterisk of samples challenge section, to about original was time A "walnuts," to reliable were 8, this an an the detailed limitations reconstruct cratering these collect from material samples. LM, compilation, considered Institute attempt for individual the in scientific 2-3 such scheduled the number and sampling settings subsequent must The the sampling at an of reconstruction documented samples landing site landing listing 17 premission and thereby rake additional km best body Cayley the integral information from and 1-10 histories Specific purpose be If Mission is as thus apart. the of' of locales, samples rationale Apollo of sample the • station. for considered made the were an at all sample well 11/12 are rationale this more mm Provided 'rocks" complex, rationale a approximate case Stations part samples collecting best rake objectives tendency report will viewed sample collection judged established, and of lunar to samples as analyses distant had 16 of represent together Furthermore histories of for sampling this recapitulate restricted be samples a of the site. for . is surface for complementary the a local by specific possibly 1, collected. presented various in by each suites specific measure section close for the locations the follow. and such exists 4, rake the On of the with stratigraphy of documentation, authors 8, geological topic a at approach widest additional hand <1 context occasion overall South suites. specific 11/12, spatial samples sample Details sizes of NASA their even chaotic, in to some there is purpose, sample is mm analytical A Appendix and to describe described specimens. to large may variety discretion he 1 fines, concerning to 14, and of association sampling exists exploration call sample perhaps sample procedure, for insufficiently Astrophysics and especially extremely these stratigraphic North data the etc. and be soil work should additional any II, attention etc.). first; individual overall compared of the are must documenting 17. stratigraphic- sample weight, performed complexities suites, scientific even area because profile actual rocks procedures presented possibility Thus be The of studied so difficult. be landing studied if remote objec- to varied mission that taken (500- infor- com- crew there objec- most sam- with case with rake rake Data as the the are the 15 by of a System ©

Lunar 1980luhc.conf....1M and formation to tion post depths and ejecta. cretion, could terials, small, suite samples (Palmetto) on a still stations proximately punched sample plains. subsidiary 13 11/12 /6 2. 3. The A "best provide Station Station and this Planetary southerly in and b) a) total Copernican Crater b) According c) Vertical Systematic of not and ''walnuts:'' "soils:" large following of "soils:" subsequent "walnuts:" The the "soils:" "walnuts:" unit. locations as Station Stations walnut were because degradation recovered representative" into discern excavation of 4: 1: ages W.R. samples 14, they and craters. LM/ rake Ages part 150-200 14 Prime Most Extent the giving sampling sampled; Institute would help would rake 17 samples 14 ALSEP to were Muehlberger determination timescales. 14, valid; rake (Stations sampling distinct (a) overturned was westerly (Ravine) systematic from from Descartes cratering Four samples 1, an of models are they m, located 61515-61577 61500-61510 samples 64500-64525 64535-64589 in 64810-64837 64800-64804 "specimen" 11/12 stations Cayley additional shallow shortening will, thus area; Station predictable stratigraphic/lithologic the sample to • were program 14 constrain Cayley; should Provided et could six were middle hopefully, permitting flaps and events and depth/diameter site on many al. of were on Cayley under craters 1 suite the exposure 17). 8 (Flag), tie actually of 1 ( (33 be Cayley, of (11 (30 contain (13 was prime refers were for of of the collected (e.g., the rims point based EVA specimens)* specimen) specimens) specimens)* considerable specimens)* via a by them horizons yield a stratigraphic could absolute designed sampling larger the variety 8 Cayley to the of retrieved the thus for progressively ages (South Plum, 3 on were samples relationships formation these most forced and be lateral NASA rake absolute units craters. defining on in of meteorite to site sampled triangle improvised the Ray), End their easterly, a craters, the time from yield procedure. deletion and interpretation. statistically correlations > form Astrophysics landing ages 1 g Station chronology, and the premission were 11 more pressure Stations a formed of and in flux. / of depth largest specifically westerly, 12 of impact Cat of mass. at South forced deep-seated site (North the their 8 All Crater important the representative was by of Craters) 1, profile and main craters. areal craters, rationale Ray preplanned crew's at the 4, Stations to respective Data northerly expected Ray), least 5, (b) produc- retrieve next Cayley and/or spread Crater of 8, they rake that The ma- dis- System ap- the for 11, 17 to is 1, ©

Lunar 1980luhc.conf....1M 4 more from mains According role > documented Station The The Station Station Station LM/ 1 and a) b) c) a) b) c) b) a) d) in g, Station difficult valid, "soils:" "soils:" "walnuts:" ''walnuts:'' "walnuts:" best "soils:" premission "walnuts:" "soils:" "walnuts:" "soils:" "walnuts:" ALSEP: "walnuts:" "soils:" "walnuts:" determining "walnuts:" "soils:" "soils:" "walnuts:" "soils:" "soils:" "soils:" "walnuts:" contained Planetary 8: 5: 13: 11: to "Descartes" although Most contact) At 5, Most the Additional samples than as "Typical" "contact" Apollo in southerly compared rationale the northerly anticipated. the Institute unraveling 63500-63515 68500-68510 63515-63598 68515-68537 65310-65366 65715-65795 >50 no 60515-60536 67710-67776 60500-60510 67515-67576 60615-60679 67700-67708 65920-65927 65700-65704 60600-60604 67510-67514 65510-65588 67615-67697 65 65900-65916 67600-67610 nature rake 500-65 North sampling 16 corresponding g of Cayley for Cayley Lunar Mission are with Cayley; samples. of Cayley 504 • individual Ray The available the Descartes 54 Provided locations 6 ( 1 ( (39 (13 (22 (11 (32 (41 4 ( (32 (39 (35 (7 (38 (3 1 ( Sample objectives local ejecta(?) and extent / specimens)* specimens) North specimens) Descartes specimen) specimens)* specimens)* specimens)* specimens)* specimens)* specimens)* specimens) specimens)* specimens)* specimens)* specimens)* specimen) These soil 112, from stratigraphy stations Information as of were Ray by for and respectively, rake well Station lateral the geological ( stratigraphy * crew Stations "normal" in as samples NASA the and appears Cayley. 4 struggled and Catalog, Cayley 4 vertical exploration "walnut" 7 must and Astrophysics Cayley "handspecimens" to 5, be in a Formation play continuity total especially significantly vain surface specimens a of to crucial only find Data re- of 17 5. System ©

Lunar 1980luhc.conf....1M and jectives selves. Core flow location geologic thermore the associated lection premission Cayley graphic crater to were Acquisition regolith Sample Station station represented considered tains there small was activities as Mountain Mountain. materials Station 18 The The The This Station minimize of Planetary deep Station Station Station Station LM/ to experiment samples early unit. planned and may and following basic prime be a 9 criteria core could 4. otx. Furthermore, context. were was Vacuum and drill location environments and ALSEP/10: be from were 8: large taken massif Materials W.R. 1980, large to Station complementary be arguments of 4: 8: 9: 4: a the Cores augmented philosophy in still core other immediately objective related stay at in significant, cores as as some as regolith topographically Institute the were scale, to risk despite soil in probes. cores Stations Muehlberger principle represents would planned; planned; Container) that planned; was away AL be 4 the 68001 surface recovered of 64001/64002* to samples, was "contamination" 1) nearly lateral was 2 tied SEP and considered were middle was materials encountering small and its to y investigation by double be which from /68002* 4, preferred undisturbed placed • free be double double single great rationale. ensure to to encountered. vicinity, to processes, 8, actually sample Provided probably equilateral and et scale to the attacked penetrometer if large of obtain 10 of from the and lithologic al. drive preserve not potential into by a vertical drive core. any and paramount drive drive mass that crew diamond stratigraphically over boulders. as provenance. means the by taken: buried Study a pure obvious, tubes the 14; time it This from via special vacuum a by particularly triangle, the wasting soil followed also 5 of contents continuity In "typical" for a its best "Descartes" because the the of the < history of rocks single core addition, pattern plus measurements mechanics South for characterizing served pristine The single 4 the rake NASA recent, "Descartes" numerous processes mm the = (64001/64002)* deep Originally was and drive of reasons "walnut" 50 of of Ray of of regolith higher understanding in for samples and fractions the core character. m regolith blocks. increased to the penetrometer small container Astrophysics a drill trench emplacement tube regolith. on ejecta double cores select preserved 4-10 on core location portions for the to a at scale was double in samples material; was the side. of (64420) evolution, these address the Descartes moun- profile. also mm within scattered accord is drive probability (CSYS the slopes The recovered Secondary to (m still of and corners of chips reflect drive microstrati- readings. be specific soils small and of could deep tubes Data should unopened the a however, The with potential of retrieval taken the specific = larger) and across in them- Stone Stone tubes Core scale local core heat of drill fur- that that and System the the ob- se- be at 2) a © ©

Lunar Lunar 1980luhc.conf....1M

Cayley Cayley

angular angular

of of

i.e., i.e., onstrate onstrate

The The

South South

regolith regolith

erosion erosion

to to

("velvet ("velvet

"undisturbed" "undisturbed" grained grained

located. located.

recommended recommended in in

associating associating

that that

est est

Station Station

still still

ejecta ejecta

planned planned

the the

essary essary

South South

Crater Crater

However, However,

such such

materials materials

South South

South South

however, however,

single single

youthful-appearing youthful-appearing

Retrieval Retrieval

The The

The The

This This

The The

The The

The The

Station Station

local local

studying studying

large large

priority priority

edge edge

and and

through through

LM/ LM/

remains remains

samples samples

the the

overall overall

as as

Ray Ray

and and

drive drive

Ray Ray

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overall overall

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crew crew

actual actual

specific specific

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ejecta, ejecta,

to to

station station

8 8

regolith. regolith.

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soils soils

products products

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cloth"), cloth"),

ALSEP; ALSEP;

Planetary Planetary

of of

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9: 9:

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Core Core

60007 60007

deposits. deposits.

tubes tubes

station station

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South South

10-15 10-15

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Ray Ray

Station Station

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69920 69920

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5 5

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satisfied satisfied

local local

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from from

the the

fragments). fragments).

McKay McKay

crater. crater.

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of of

1980). 1980).

cm). cm).

designed designed

Station Station

not not

criterion criterion

scheduled scheduled

m m

Ray Ray

tube tube

Institute Institute

location location

high high

8; 8;

deposits deposits

They They

detect detect

"older" "older"

crew crew

boulder boulder

regolith. regolith.

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diameter diameter

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regolith regolith

* *

to to

impact impact

deposited. deposited.

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expected. expected.

of of

successively successively 60013/60014*; 60013/60014*;

locations locations

than than

of of

collection collection

This This

which which

deposits deposits

(CSVC) (CSVC)

surface surface

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location location

and and

be be

The The

addition addition

In In

the the

and and

albedo albedo

9 9

the the

local local

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became, became,

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Mission Mission

positively positively

any any

was was

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addition addition

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core core

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Station Station

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LM/ LM/

and and

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Heiken, Heiken,

• •

processes. processes.

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accommodate accommodate

crater. crater.

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soils soils

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Provided Provided

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was was

on on

were were

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of of

of of

(69001)* (69001)*

unquestionably unquestionably

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soil soil

ALSEP ALSEP

South South

must must

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objectives objectives

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look look

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deep deep

however, however,

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fine-grained fine-grained

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criterion criterion

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to to

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Cores Cores

8 8

the the

present. present.

be be

ensured ensured

judged judged

young young

that that

Thus Thus

core core

samples samples

1973). 1973).

was was

and/or and/or

boulder boulder

samples samples

ray ray

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retrieved retrieved

substrate substrate

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69940 69940

for for

Station Station

Ray Ray

"turnover "turnover

South South

drill drill

significant significant

Station Station

the the

was was

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by by

60009/60010; 60009/60010;

is is

rounded rounded

to to

treated treated

the the

material, material,

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for for

and and

"typical" "typical"

high high

the the

a a

in in

Station Station

in in

still still

and and

collection collection

contact contact

retrieve retrieve

color color

the the

increasingly increasingly

was was

from from

and and

placed placed

areas. areas.

variety variety

geological geological

core core

Ray Ray

materials materials

the the

69003* 69003*

location location

ray ray

that that

"young" "young"

boulder boulder

8 8

immature immature

the the

8 8

albedo albedo

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NASA NASA

depth, depth,

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69960 69960

as as

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stratigraphy stratigraphy

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9 9

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Astrophysics Astrophysics

was was

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objective objective

of of

more more

be be

As As

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as as

of of

described described

indicative indicative

CSVC, CSVC,

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drill drill

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a a

to to

8 8

too too

thus thus

contrast contrast

cloth"), cloth"),

a a

desirable. desirable.

devoid devoid

to to

this this

of of

failed failed

drive drive

as as

was was

on on

very very

was was

Ray Ray

consequence consequence

deemed deemed

characterize characterize

may may

confident confident

fine-grained fine-grained

be be

cores cores

1-2 1-2

here here

early early

thick, thick,

possible possible

South South

scheduled. scheduled.

South South

samples," samples,"

significant significant

extremely extremely

which which

materials. materials.

confident confident

and and

a a

properly properly

where where

and and

material material

tube. tube.

detailed detailed

to to

boulder boulder

depths. depths.

m m

include include

by by

typical typical

of of

below. below.

of of

it it

to to

60001 60001

69004 69004

1980. 1980.

dem-

high-

from from

then then

nec-

The The

free free

Ray Ray

Ray Ray

was was

Data Data

any any

fine fine

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If, If,

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/9 /9

it it System System ©

Lunar 1980luhc.conf....1M and especially of of and 20 (Station of inverted task radial radial samples to at area imity that this procedure between (AFGIT, cores a area Time location it rocks, 60013/14 periment (> 1968), Crater Radial to SW Further, ALSEP deep Station A The Actual Sampling is Drive Station radial a samples the Planetary complement 10 North station could and of location represent is possible drive appeared permitting, samples, sampling. should m). an two other and sampling ejecta. generally section the 2) of were planned tubes two sampling. target and regolith location 17 (60013/60014). attempt the in W.R. for 11 and at have tube drive Ray the has from LM. had location had / press) drive small Cayley the which permit 13 the to expected penetrometer heat a Institute North of 60009/60010 however, a interesting crater stratigraphy affected close Muehlberger of the to to unique materials regarding materials tubes look activities flat, the remarkably deep The upper the typical profile. to was small be crater tube The be the flow was core for small reconstruct ejecta profiles crew Ray although abandoned for to area targets, abandoned together drill, about core spatial objective few from experiment locations, craters cores the in the Small Cayley may structures. • lateral correlations (11-12), As at for and was was some blankets already locations Provided were et lO's regolith in Stations LM measurement smooth (these 175 the be can investigating respectively. 60013/60014 al. concentration numerous with large n large and these encouraged devoid contained regolith. of regolith the because m was was meaningful larger originally and structures be this m drive (HFE). the taken. SW the stratigraphy original Station of scale appearance. 11 delineate deposits to in thus seen required over by site deep / of these stratigraphic craters of collect 12 the 2-6 of continuity tubes scale the The any stratigraphic in LM the and regolith was Some locations to The is the from to small Cayley drill 17 of too geometrical target Station m craters. relatively proceed NASA be (Shoemaker, a actual tubes core noticeable shortened EVA was and to vertical and 13 such a 120 geologic diameter large triangle stems in statistically the No stratigraphic taken represented support (1-2 evolution. the stratigraphy 25 relatively specifically along plains. m materials. content as 1, were obvious sampling were LM/ to Applying Astrophysics WSW m S m with taken deep 2, and m) correlations at Flag devoid attempt of rationale craters relation 3 a North- the ALSEP Station used and 50-60 Deeper of and a purposely horizontal N 1963; drill) of in of (Station significant recent ''radial craters short ALSEP As -S penetrometer information 3. site the the assigned the of larger LM. the could in comprehensive are Poorly to a cross was m or in Gault boulders 14; the LM/ was Flag, stratigraphic combination group, station cut principle of side drive history. close visible. South Compared are sampling'' Data 1), to be however, distances site. LM variation the designed versions = ALSEP section. number defined for sample length; Buster et visible Spook made, 100 prox- tubes these must LM area map The System Ray this al., and ex- of m / ©

Lunar 1980luhc.conf....1M

Fq,rmation

Ejecta

with

crater dation,

possible

flux lected collection face also

by

blocks

thus

prehensive North (Arvidson Crater. of

track for ing (1975).

older

many

solar a The

about Special DL

understanding

et of noble

important migration terials.

or

variety

Many

"Buster"

As

craters

al.,

containers,

the

lateral

the

parameter

temporal

and

during

be

interaction

residence.

indicating

ease.

wind,

a

ages

record

of

small

formation.

Kr

(62235,

Ray

gases,

from

crater

consequence

1975).

regolith

in

would

present

In

Inasmuch

date

ejecta

these

Planetary Institute

method

of

and

of

targets,

the

and

ages applications

et

Exposure addition,

recent

summary

are

crater

radioactive

scale

is

a

investigations.

volatile

of

of

variability al.,

degradation

Additional

micrometeoroids,

provide

(e.g.,

23, 62237, 62236,

were the

surface

variety

studies

a

of vertical of

the

samples

fragments-both

related

formation

in

of

solar

crater

(62235:

specific

1975).

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ejecta

lunar

lunar

following

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because

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as

most

designed

Boyce,

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and

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for

to

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regolith

Apollo

history.

isotopes

surface

of

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likely

ages,

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craters

160

photogeologically

studies

semivolatile

model

would

determinations

actually the

galactic

remote

the

of

sampling

1976)

summary Such

62255,

environment

documentation boulders

Mission

for m.y.;

to

Crater

formation

the

is

together

times

lunar

16

processes •

cluster

Large

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62295:

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62275

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62295)

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62255:

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1.7

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dating

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m.y.)

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m.y.;

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m.y.,

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samples procedures

filled

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of

cosmic

yield

of

three

of

sun,

with

craters.

is

for

Arvidson

our

South

state

reveal

rocks,

techniques.

from exposure

meteoritic

applied

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to

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see

respectively,

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implications even

reconstruct-

structure,

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craters,

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the

simple

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tools

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radiation,

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Arvidson

collected

Although

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rate

Data

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the

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21

of

of

a

System ©

Lunar 1980luhc.conf....1M and Two consisted fabrics; a as floating estimated applied tube by studies of (estimated layer Pristine the which porate proximately derneath Samples standard To valuable premission signed 67235* fractured of collection Pristine the the highly vested matrix well surfaces 22 layer After When Adjacent Sample scientific the the Planetary carefully avoid efforts uppermost space (69001) protected special approximately important a other procedures successively around breccia; during of take'ri under during freely one regolith rock collection collector the 69003* material dur~ris-ttii:isit, a scoop of rock. regolith abra,~1:B11 environment 69004, that pouch W.R. penetration: on boulder sampling to objectives fabric a 2.5 samples samples skimming taken Contact surfaces aJ well velvet-like the in training, Institute the sampling. this the regolith by it Both materials sample km ~ta.Hon (Beta the to have to Muehlberger appears the for plate (SCB). velvet approximately two were of documented had soil-filled comprehensive maximum in that and deeper from container. comparison 0.5 arrived samples has rationale velvet these Soil the cloth) were CSSD's, properties across special is since 27 layer (69940) was 11. two other to soils Based sampler nylon the mm been • that vicinity inserted. Sample Sampling cm). soil return materials, Provided detailed draped overturned "padded et documented and in landing from the at appear penetration thick sample factors the distributed Therefore, hardware and fabric, materials. al. on conditions. the with Station two will 100 time between 69004 similar pristine provides 67215 regolith premission shallow, soil The LRL, objectives. was sampling Devices by other an point µ,m unsuitable 67235 kindle a and bags" resulting the by sampling (velvet) Horz by estimated collector 9. soil expected was seems to thick. The it was sample no and the the exposed boulder soil regolith (LM). The surface carefully the material is Beta was new sample were (CSSD) load built device, et tests a plate skim NASA 5 and investigated crew. Considerable more The CSSD in for to were al. routine, obvious mm. cloth interest. plates bags other penetration was samples and possible used to with this be and rock sample was their (1972). controlled (69960) from fabric The competent, was collected stick were The Astrophysics a and is an CSSD within deposited; shielded springloaded. than were the for samples relatively because intended that an soil an entire opened on (69920) The fourth the were in fabricated to degradation samples was regular aluminum even its crew the draped was the the collected the of depth(s). the draped at prime own soils. taken taken, station although for 3 two it second context sample Station purpose. shielded in therefore greater larger was velvet friable time cm. was scoop. 67215* weight specialized 1978; with Data objectives A bags to plate retrieved from box to (ideally) Perhaps A was regolith deemed of was sample collect CSSD was 9, highly of cloth. depth incor- nylon white drive from none were rock It System into was was it and un- ap- the de- in- is is a ©

Lunar 1980luhc.conf....1M

67455),

objective

collected

actual

Fillet

ray The geometry

reference Although and

a surface Permanently both.

Migration reference The other

fillet may may surface was when in friable

(68115).

South developed Neither

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sample. Stations south

concentration

soil

Although

A

the

sampling

and

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Station

taken white

Station Station

rates

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combination

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samples

samples

soil

sample

end

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Ray

fillet manner

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were

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Hardly

Planetary

1,

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samples

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of

(68120);

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area

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67475,

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67460;

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short-lived

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a

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67460) the

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chip

Mission

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satisfies

•

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located

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50

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63340) or

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67475;

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The Data

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23

at

System © ©

Lunar Lunar 1980luhc.conf....1M

and and

24 24

The The

a a

atmosphere. atmosphere.

transported transported

They They ing ing

construct construct

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interboulder interboulder

in in

solar solar

with with

Cataclastic, Cataclastic,

38% 38%

terials. terials. East-west East-west

between between cartes cartes

At At

impact impact

volatiles volatiles

analysis analysis Various Various 63340 63340

in in

original original

most most

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the the together together

contains contains

Rock Rock

mosphere. mosphere.

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logic logic

samples samples

House House

previously previously

These These

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Planetary Planetary

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the the

experiment experiment

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and and

normal, normal,

extensive extensive

setting, setting,

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the the

state state

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ionized ionized

were were

completion completion

materials materials

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deposits. deposits.

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may may

connection connection

of of

samples samples

do do

numerous numerous

with with

two two

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local local

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W.R. W.R.

set set

POST POST

soils soils

that that

the the

electric electric

Most Most

plains plains

placed placed

angle angle

surface surface

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concentrate concentrate

fragmental, fragmental,

area area

distribution distribution

exposed exposed

gases gases

and and

exposed exposed

not not

boulders, boulders,

of of

state state

genuine genuine

After After

information information

cross cross

there there

Institute Institute

account account

respectively, respectively,

are are

Muehlberger Muehlberger

is, is,

40 40

may may

interest interest

Furthermore, Furthermore,

were were

soil soil

MISSION MISSION

have have

of of

should should

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Outhouse Outhouse

Artr, Artr,

of of

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photographs, photographs,

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incidence incidence

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specially specially

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GEOLOGY GEOLOGY

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40

details details

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intended intended

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stratigraphy, stratigraphy,

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Institute Institute

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= =

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extent extent

conclusion conclusion

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competent competent

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be be

competent competent

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central central

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light-grey light-grey

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is is

km km

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layer layer

stratum stratum

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in in

of of

breccias breccias

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made made

Baby Baby

Hodges Hodges

NASA NASA

determined determined

stratum stratum

numerous, numerous,

an an

compact, compact,

The The

Kiva, Kiva,

for for

press; press;

(angular (angular

Quaide Quaide

are are

sized sized

stratigraphic stratigraphic

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and and

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c) c)

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Astrophysics Astrophysics

(1972) (1972)

surface surface

may may

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Delano Delano

stratigraphic stratigraphic

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lighter lighter

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lithologies, lithologies,

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60 60

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al., al.,

concluded concluded

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indicative indicative

rounded), rounded),

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the the

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(Figs. (Figs.

m m

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importantly, importantly,

m, m,

Ray Ray

(North (North

orbital orbital

of of

1973. 1973.

interpreted interpreted

may may

plains, plains,

thick. thick.

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lithologies lithologies

Apollo Apollo

materials. materials.

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based based

Data Data

the the

although although

analysis analysis

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a a

meters) meters)

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Lunar Lunar 1980luhc.conf....1M

and and

effects, effects,

impact. impact. Contributions Contributions

asmuch asmuch

cratering cratering

tering tering older older

by by

logic logic

essentially essentially

caused caused local local

sample sample appear appear

craters craters

morphology morphology quence: quence:

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Nectaris Nectaris

indicative indicative

to to

have have

esis-a esis-a should should

diameter, diameter, km

secondary secondary

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B B of of

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manifested manifested

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almost almost

Oberbeck Oberbeck

Somewhat Somewhat

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this this

the the

Head Head

and and

regional, regional,

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summary, summary,

of of

sample sample

study study

than than

affected the the affected

illustrated illustrated

"unnamed "unnamed

substrate, substrate,

history history

conclusions conclusions

cratering cratering

the the

be be

to to

to to

craters craters

provenance provenance

(2: (2:

by by

relatively relatively

i.e., i.e.,

that that

as as

the the

Based Based

and and

the the

Planetary Planetary

are are

of of

ejecta, ejecta,

(1974), (1974),

centered centered

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bracket bracket

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part part

of of

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cratering cratering

Imbrium, Imbrium,

petrogenesis petrogenesis

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ejecta ejecta

30 30

Head Head

in in

of of

primary primary

oldest oldest

Descartes Descartes

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largely largely related related

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B B

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if if

provenance. provenance.

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had had

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breccias breccias

km km

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of of

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on on

and and

is is

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two two

of of

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history. history.

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"substrate" "substrate"

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"Imbrium "Imbrium

co-workers co-workers

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predominantly predominantly

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scale scale

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Institute Institute

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Lunar 1980luhc.conf....1M and 40 trasting ejecta collection, large Thus Mattingly, h Apollo the the mask ning but Cayley consequences relative possibility, plished pretations students sequences (1975) Cayley sources multidisciplinary possible. by AFGIT AFGIT 16 et Acknowledgment-The istration. Arvidson Association Boyce geologic as R. exposure photographs. Thus "Well, al., landing future will Imbrium Planetary Muehlberger, U.S. Team" areas and there J. from postulate Geology 1974; (Apollo by plains surfaces. This a proposals not significance and R., M. to Geo/. summary. it's ages analysis "rejuvenate" under synthesis W.R. diverge of "seismic Apollo site. whereas decide pending of Crozaz (1976) the is paper 16 come as processes Chao Proc. events. event of back Survey Field for and of the the well collection, Contract eds.). The Nectaris-, features Institute Muehlberger the a constitutes studies Ages Science the Lunar widely. easily G., whether lunar of 16 exist. distinct Descartes Lunar Geology significant et to Apollo as clarification Prof. of and shaking" Hodges answer of U.S. the astronaut, petrogenesis It al., Drozd of the the and No. presently versus these Sci. the appears and globe), 179, of Paper and, essentially Geo/. flow Although Apollo 16 These Apollo 1975). the events Investigation drawing Imbrium- there NSR possibility we the • Conf. Planetary Imbrium R. area, 62-69. et is and units Lunar Provided possible Mountains Sun·ey unquestionably, according contribution No. have "distant" Y., entire undoubtedly al. 09-051-001 although April of at possible 7th, central contrasting REFERENCES 16 The is viable Muehlberger Hohenberg 16 in /048). the of and the all considerable to rocks. boards-or Open Institute p. the synchronous crew the and sample deposits, Apollo Team) "crater that draw 1972). 2717-2738. hypotheses Planetary lunar source moonwide ln lunar hypotheses to File with by samples sources demonstrates to Orientale such press. will Orientale is Schultz and highlands of C. (1973) landing big broadly contained Report the views collection. the nearside operated It age" locales M., Orientale continue are will Institute rejuvenation or is (AFG wherever National NASA Apollo and debate from largely rejuvenation sites. and small with No. present entail agree require (G. impact of concerning maria distinguish by ejecta, especially Morgan IT, 79-/09/, and Contribution the in E. the a The that 16 Gault to the Aeronautics Both circles Astrophysics far-reaching ejecta that single and the Ulrich, the based exploration Universities in provide geologists at plains it Moon continued, could Orientale a may is C. sufficiently Apollo press) the 1128 challenge Apollo local uncertainty wide (1975). around mechanism here on dominating C. Y. to for between the 13, ''Traverse pp. No. is be also and A. (1975) Lunar any the 259-276. materials chronological range younger of consider (To origin Space where contained 16 Hodges 403. 16 and go" Chao Space Descartes: concerted, formation. the be Apollo assistance be published of (and Cosmic materials Orbiter Data thick "local" specific accom- of Research sample on Apollo (T. of Admin- of event and inter- et Plan- over than con- and it the the the al. System K. ray 16 to W. IV in A a ©

Lunar 1980luhc.conf....1M Chao Gault Delano Elston Eberhardt Eggleton Dowty Boyce Head Head Hinners Oberbeck Oberbeck Oberbeck McKay Horz Hodges Milton Moore Quaide Oberbeck Milton Morrison Shoemaker Schultz Conf. fraction J. field maria. raphy February 5th, J. Mono, rock samples. in Lunar Lunar In special associated ment Geophys. 1-3. continuous ciated and the cago. impact Misc. Mercury. 16 and the Res. Geophys. Siwek premission E. J. F., J. lunar D. Comets p. J. trips. D. type. H.J., D. E., D. J. of W. 5th, in P. C. D.S. N. W. Geol. Apollo C. Sci. W. with Sci. Proc. Carrier Baltimore. R. 41-47. M., samples. craters. E., R. U.S. Planetary W., from V. P., the V. P., V. J. the V. J. H. L. Prinz The T., A., W. smooth 1961-Auf.;ust Metamorphism and E. (1974) Space The E. p. Geotimes features. Earth Conf. and H. Conf. Quaide R., (1968) deposits R. Hodges lunar R. R. Eugster Boudette Dial and and vicinity Fra and Bence Inv. Res. (8. (1972) Lunar M. Geo!. 537-551. Hodges and Muehlberger the Moon 16 Goetz maps. and and W. Moon (1975) Morrison Horz Hodges M., J. Gault Mauro Heiken (1963) Apollo Oberbeck special M. Stratigraphy A. Phys. Planet. 5th, secondary 7th, plains. Map Descartes Marshall 11, Geologic D. Geophys. Oberbeck Morrison W. A. Apollo Survey C. Sci. 0., of and of Proc. L., Middlehurst 11, U.S. 17, A. F., 12, E. C. The Ill, 1368-1374. p. p. Institute L., D. A., E., Mare 1-546 craters 1961, 13, C. Impact formation. Geiss 77-99. Conj. G. /6 soils and 563-585. L., Keil F. A., 27-30. 1-25. Morrison Sci. R. The 159-177. <~f' Young E. and Geo!. role Lunar and Papike A. 337-362. Prelim. W.R., 16 C. 3, V. H. H. map crater H., Natural region Schafer Res. (LAC Boyce Imbrium R. Soderblom Pt.A, (1975) V. from Moon K. Lett. 379-392. site of (1972) E., R. H. and 5th, Oberbeck Scott (1972) (1973) of mechanics H. R. Horz Survey the of J. (1974) and Sci. Mission (1968) ( selection. 73, Grogler J. ballistic chains. and basins. 1962) R. Sci. the Proc. 24, p. 78). J.M., of W., (1975) (1974) the p.132-137. Seismic • 12, J. J., D. Descartes Geologic Materials G. 5247-5270. The Conf. and Descartes 11-23. H., the F., east-west Provided 15-25. P., Ulrich Rep. Theophilus Duke H. and 19-54. Ferroan Thickness L. Notes Misc. V. Lunar P. and Mare Geomorphology Quaide Moon South Quaide at N., Laboratory Proc. erosion The Muehlberger objectives (1974) A. Kuiper, effects 5th, Apollo R. Cameron NASA Meteor C. Soderblom G. Guggisberg maps Geo!. (1974) Moon on (8. (1968) region Sci. Nubium. U.S. region-evidence Lunar p. and anorthosite: Ray split M., Multiringed W. E. W. the and determinations M. from 71-100. 16 Quadrangle eds.), Conf. of by SP-315, (1973) Crater, stratigraphic Nagle Inv. Geo!. Crater L., and 9, L., Ages Impact cratering simulation Prelim. Apenninian K. for (Apollo French the sedimentation Sci. W. 415-455. major the and In L.A. L. and the Map p. S., r;eolor;ical 6th, of Descartes R., J. of Survey COi~/'. Geologic Astrogeo/. age (1973) p. Arizona. 301-336. A crater Gault and permanently basins-illustrated Sci. S., Gault NASA the and basin 16): p. and 1-748 (1975) of 7-24 widespread paradox. of and 2503-2530. 5th, for implications. Morgeli of lunar Series the Rep. N. open-file Petrology Implications Sevier the and D. formations E. (2 to the region on setting Copernican-age Fryxell Origin Moon. M. In Univ. p. exploration mechanics Studies E. sheets). herringbone 7-54. (1974) Astrophysics NASA nearside basin lunar lunar and 111-126. The Proc. Short, (1975) M. J. shadowed and of report. of Chicago of R. pre-Imbrian of R. U.S. deposits: (1976) Moon, Smooth surface Ann. stratigraphy. the lunar SP-315, Proc. Apollo on Lunar (1972) the for by distinctive (1972) eds.), On light and Moon, the Geo!. Orientale the pattern Prog. 2-4 Noble the light area. Meteorites, Lunar Press, volcanism. structures. plains layer Sci. plains Moon Apollo Apollo p. 16. Emplace- p. origin origin mm stratig- Survey 87-89. plains. Apollo Rept 1-1 Data Conf. Proc. gases Proc. lunar asso- from Rev. Chi- Sci. and soil and and and 41 of 16 to 16 of ., System ©

Lunar 1980luhc.conf....1M and These executing documents tech scientists longer Apollo Apollo A Group Traverse the Apollo Science 42 Comprehensive thoroughness, Apollo Apollo Apollo Apollo An Apollo Lunar Trask Wilshire Wilhelms Taylor Ulrich Soderblom Some the land.) related Spacecraft Houston, Debriefing. 1972. classification. togeologic raphy: Res. Survey p. Descartes large approximate no scope 553-568. candidate Planetary logical Surface available documents N. For Site G. 16 16 G. 16, 16, 16 Mission 16 75, Working of variety H. and The to Briefings the Traverse D. Misc. J. Science of Final Lunar J., the Apollo E. Mission have 2655-2661. Lunar L. Selection TX, scientific G., and W. region. evidence Center, this Appendix engineers constraints. E. NASA Apollo ANT-hills, Drake (1973) or A. Apollo Scientific landing of J-2 synthesis Flight from Geol. J. estimate and Stuart-Alexander R. Panel, been March lack Surface McCauley report. (1970) Exploration, are Lunar Handbook, for technologically Geophys. Appendix Requirements Planning (Apollo Institute Muehlberger Proc. A McCauley M. Houston, exploration Manned the missions. Board, thereof, collected indispensable Apollo 16 and Plan, Inv. in geologic Minutes sites 15, A J., Equipment pre-mission Surface concerning On issuing their the Procedures. of II: Apollo Lunar model Map 1972. Hallam J. 16) Manned analytical and Kit, the Res. Minutes Cayley 16 Spacecraft Manned continuous of Sample F. TX, Minutes Among J. in (1970-1972). Mission model Crew; 1-703. agency. I: recommended other Experiments at investigations Sci. for Manned • (I Document, 16 D. F. and 78, the et 972) a January M. Apollo for for the Provided plains, documents implications. lunar (1971) Spacecr'aft specific G., Conf. (1966-1972). al. 2379-2392. Final. Library work scientifically hand, Spacecraft for The E., those (1967-1970). Apollo degree the Differentiation Science Allocation However, Center, efforts and Spacecraft impact North Marvin Geologic Traverse and 4th, historian. performed IO, (This Manned 16 we landing Manned were-many Jackson /Information Package: of to performed Mission a Center, in 1972. to p. Premission wish Planning Houston, Ray sample pre-Imbrian Center, erosion the by Earth panel this optimize (This U. 27-39. many oriented (This Center, site.) map Planning Spacecraft Site Spacecraft the They to Crater B., E. collection Status on and ALSEP detailed 16; Houston, Planet. board characterization convey internal of D. applied of on Houston, Selection and committee the Document, TX; Center, NASA Lunar scientific volcanism these illustrate the documents (1973) each Houston, and regolith. Apollo Team, Wood made (February Documents November Training Sci. and nearside Center, are: some Center, to NASA stratigraphic TX, Apollo Surface sample Apollo Lunar TX, Board.) the prioritized J. Lett. return Astrophysics made the March well 16 in Manned March measure TX, Proc. A. lunar was collection April Houston, final Handout the may Houston, of documents 16 mentioned 14, and (1973) Project the 16 scientific 1971. within March the 15, pre- lunar used Lunar surface. rocks: 201-206. 1980) 6, decision(s) be 7, daily all Planetary implications Spacecraft as Moon. 1972. 1972. obtained Apollo 1972. and surface a in Apollo Office, TX, highlands: to clearly 9, TX. set Sci. evaluations interaction Petrology which in planning post-mission the 1972. J. of U.S. the March Data Conf. 16 Geophys. Institute. activities rigorous, where potential from 16 Manned exceeds Center, report. are stratig- for Geo Crew Pho- and 4th, and the the 16, no System of of to I. © ©

Lunar Lunar 1980luhc.conf....1M

listed listed

total total

latest latest

normal normal

mented mented

(b) (b)

(d) (d) The The

(a) (a)

(c) (c)

60628 60628

60627 60627

60626 60626

60615 60615

60604 60604 60625 60625

60603 60603 60619 60619

60602 60602 60618 60618

60617 60617

60510 60510

60600 60600 60616 60616

60535 60535

60526 60526 60601 60601

60013 60013

60529 60529

60009 60009

60517 60517

60528 60528

60007 60007

60516 60516 60527 60527

60006 60006 60515 60515

60005 60005

60525 60525

60004 60004

60504 60504 60519 60519

60003 60003

60503 60503 60518 60518

60002 60002 60502 60502

60001 60001

60014 60014

60010 60010

60501 60501

60500 60500

and and

Number Number

number number

0-2 0-2

in in

6-20 6-20

3-5 3-5

allocation allocation

>20 >20

following following

soil soil

samples samples

numerical numerical

Planetary Planetary

allocations: allocations:

allocations: allocations:

allocations: allocations:

allocations: allocations:

sample sample

of of

list list

table table

typically typically

subsplits subsplits

walnut walnut

walnut walnut

walnut walnut

4-10 4-10

walnut walnut

walnut walnut

walnut walnut

walnut walnut

core core core core

core core walnut walnut

core core walnut walnut

core core

walnut walnut

core core

core core

walnut walnut

2-4 2-4 core core

walnut walnut

core core

core core

core core

4-10 4-10

rake rake rake rake

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

2-4 2-4

1-2 1-2

soil soil

1-2 1-2

sequence. sequence.

or or

Type Type

and and

characterizes characterizes

rake rake

soil soil

sample sample

sample sample soil soil

sample sample

sample sample

mm mm

mm mm

mm mm mm mm

mm mm

mm mm

mm mm

mm mm

Institute Institute

established established

> >

allocated allocated

sample sample

100 100

"Walnuts" "Walnuts"

essentially essentially

insufficiently insufficiently

well well

studied studied

g. g.

Group Group

studied, studied,

procedures; procedures;

each each

the the

a a

a a

a a

a a

b b a a

b b a a

a a

a a

a a

C C

d d

a a

b b

a a

a a

a a

a a

d d a a

a a

d d

d d a a

d d

d d

a a

b b

a a

C C d d

b b

d d

a a

a a

d d

a a C C

d d

a a

b b

to to

Mission Mission

• •

comprehensively comprehensively

various various

following following

Provided Provided

sample sample are are

unstudied unstudied

but but

studied studied

samples samples

ohjecti1·es ohjecti1·es

not not

investigators. investigators.

"rocks" "rocks"

in in

groupings: groupings:

terms terms

necessarily necessarily

typically typically

by by

are are

of of

for for

the the

the the

Number Number

60658 60658

60629 60629 60656 60656

60649 60649

61016 61016

60669 60669 61015 61015

60646 60646

60679 60679

60667 60667 60645 60645

60639 60639 60666 60666 60677 60677

60638 60638 60676 60676

61223 61223

60637 60637

60659 60659 60675 60675

61222 61222

60636 60636

60635 60635

61221 61221

60668 60668

61220 61220

61195 61195

60655 60655

61175 61175

60665 60665

61135 61135 61242 61242

60648 60648

60647 60647

61240 61240

60657 60657

61226 61226

60678 60678

61225 61225

61224 61224

61241 61241

61243 61243

individually individually

ReoloRicul ReoloRicul

We We

larger larger

above above

comprehensively comprehensively

NASA NASA

therefore therefore

than than

allocation allocation

collected, collected,

1 1

Astrophysics Astrophysics

explorntion explorntion

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

rock rock

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

rock rock

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

walnut walnut

2-4 2-4

4-10 4-10

walnut walnut

walnut walnut

walnut walnut walnut walnut

walnut walnut

walnut walnut

rock rock

rock rock

2-4 2-4 soil soil walnut walnut

walnut walnut walnut walnut soil soil

rock rock

1-2 1-2

1-2 1-2

g g

<1 <1

consulted consulted

Type Type

collected collected

groups; groups;

mm mm

mm mm

mm mm

mm mm

mm mm

mm mm

mm mm

bagged bagged

together together

the the

samples samples

Group Group

curator's curator's

or or

Data Data

a a

a a

a a

a a

a a

a a a a

C C

b b

a a

a a

a a

a a

a a

a a

a a d d

d d a a

a a

a a

a a

a a

C C

a a

a a

a a

a a

d d

a a

b b a a

d d

C C

a a

a a

d d

b b

C C

d d

b b

b b

docu-

with with

are are

43 43 System System ©

Lunar 1980luhc.conf....1M and 44 Number 61577 61576 61502 61505 61500 61282 61281 61280 61249 61247 61246 61245 61567 61295 61283 61575 61569 61517 61248 61503 61284 61526 61568 61529 61566 61504 61518 61516 61515 61501 61244 61558 61528 61565 61525 61519 61527 61537 61538 61539 61546 61559 61555 61557 61549 61548 61556 61547 61535 61536 61545 Planetary W. R. 4-10 rock walnut walnut walnut walnut soil walnut 2-4 4-10 walnut walnut walnut walnut rake walnut walnut walnut walnut walnut walnut walnut walnut walnut 2-4 4-10 walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut 1-2 walnut walnut 1-2

Lunar 1980luhc.conf....1M 64555 64536 64556 64548 64545 64538 64537 64525 64539 64547 64549 64546 64535 64517 64519 64505 64504 64516 64506 64420 64518 64509 64508 64503 64502 64501 64421 64002 64515 63598 64500 64507 64001 63597 63586 62577 63576 63575 64423 64422 64424 63578 64425 63587 63596 63579 63569 63595 63588 63585 Number 63589 and Planetary walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut 4-10 walnut walnut walnut walnut walnut walnut walnut core 2-4 4-10 rake walnut walnut core 2-4 walnut walnut soil walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut 1-2 1-2 walnut walnut walnut r the Number 64557 64569 64565 64566 64559 64558 64568 64578 64576 64802 64586 64567 64587 64575 65336 65335 65346 64828 65339 64804 64803 64800 64585 64579 65338 64825 64577 64836 64801 64589 64815 64827 65347 64835 64826 64819 65328 65327 64816 65315 64837 65329 64818 64817 63588 65326 65345 65337 65325 65015 64829 fieolof.{ical NASA Astrophysics exploration walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut 4-10 walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut rake 2-4 walnut walnut walnut walnut walnut rock rock walnut walnut walnut walnut walnut walnut walnut 1-2

Lunar 1980luhc.conf....1M

and

46

Number

65365 65356 65366 65357 65348 65504 65358 65349 65359 65502 65355 65500 65510 65501 65515 65516 65512 65503 65517 65513 65514 65511 65526 65519

65527 65528 65525 65529 65535 65518

65545 65548 65546 65537 65538

65536

65549 65539 65547

65555 65565 65559 65556 65557 65576 65567

65566 65575 65558 65568 65569

Planetary

W.

R.

walnut walnut walnut walnut 4-10 walnut walnut walnut rake walnut

walnut 2-4 walnut 4-10

2-4 walnut walnut walnut rake

walnut walnut walnut

walnut 1-2 walnut walnut 1-2

walnut walnut walnut walnut walnut walnut walnut walnut walnut

walnut walnut walnut walnut

walnut

walnut walnut walnut walnut walnut walnut walnut

walnut

<1 <1

Type

Institute

Muehlhcrf{er

soil soil

mm mm mm

mm mm

mm mm

mm

Group

•

et

a a

a a

C a a a

a a a b a d

a a a

a a a a b a a a d Provided a

a a a

a a a a a a a a

a a

a a a

a a a a

C a a

a

al.

by

the

65577 Number 65578 65579 65700 65585 65586 65587 65588

65716 65702 65717 65703 65701 65704 65719 65715 65725

65727 65718 65728 65729 65735 65726 65636

65738 65739 65745 65746 65737 65747 65757 65748 65749 65755 65756 65759 65765 65758 65766 65767 65777 65768 65769 65776 65775

65778 65779

65786 65787

65785

65788

NASA

Astrophysics

walnut

walnut walnut

walnut walnut

walnut 4-10 rake walnut

walnut walnut walnut walnut 2-4

walnut walnut walnut walnut 1-2 walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut

walnut walnut walnut walnut walnut

walnut walnut walnut walnut walnut walnut

walnut

walnut walnut

walnut walnut

walnut

walnut

<1

Type

soil

mm mm mm

mm

Data

Group

a

a

a

a a a a a a

a a a d a d a a a a a

a a a a a a a a a a a a a a a a a a a a a a a

a a

a a a

a a a

System ©

Lunar 1980luhc.conf....1M

65789

65900 65901

65903

65795

65902 65909 65926 65915 65904 65927 65916 56906 67215 65925

67235 65905

67461 65907 65908

67481 67455 67480 67460

67462 67463 67484 67464 67475

67495 67510 67482 67511 67489 67483 67512 67526 67513 67514 67485 67515 67487 67488 67528

67525 67517 67486 67527 67518

67516

67519

Number

and

Planetary Institute

walnut

rake

walnut 4-10 2-4 walnut

walnut walnut walnut walnut walnut walnut walnut rock walnut

soil rock 1-2 walnut 4-10 4-10 2-4

walnut rock rock

walnut walnut walnut soil 4-10 walnut walnut walnut walnut walnut rake 2-4 walnut walnut 2-4 walnut

walnut walnut walnut

1-2 1-2

1-2

<1

<1

<1

<1

Type

soil

soil

mm

mm

mm mm

mm mm

mm mm

mm

mm

mm

mm mm

mm mm

mm

Group

a a

a a

C

a

C

a a a b a a a a d a a a

a a

d b d C a

b C a b a

a a a a a a a a a d a a a a a a a

a a

a

Mission

•

Provided

objectives

for

by

Number

67529

67536

67535 67539 67537 67538

67545 67546 67547 67548 67549 67555 67556 67557

67567

67558 67559 67565 67566 67601 67568 67569 67604 67575 67576 67600

67602 67603

67615 67616

67619 67637

67627 67629 67617 67618 67636 67625 67626 67639 67645

67647 67635 67648 67655

67657

67649 67638 67656

67646 67658

geological

the

NASA Astrophysics

exploration

walnut

walnut

walnut

walnut

walnut walnut

walnut walnut walnut walnut

walnut walnut

walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut 4-10 rake

walnut walnut walnut 2-4

walnut walnut walnut walnut

walnut walnut walnut walnut walnut walnut 1-2 walnut walnut walnut

walnut walnut walnut walnut

walnut

walnut

walnut

<1

Type

soil

mm

mm

mm

mm

Group

a

a

a

a

a a

a a a a a

C a a

a a

a a a a a a b

d a d b a C

a b

b b

b a a a a d a b b

a

a a a a b a a a

Data

47

System ©

Lunar 1980luhc.conf....1M and 48 67675 67667 67685 67702 67659 67669 67665 67687 67686 67706 67701 67688 67708 67668 67676 67707 67705 67748 67700 67716 67714 67713 67711 67710 67697 67696 67695 67666 67703 67704 Number 57746 67756 67729 67728 67718 67745 67738 67749 67747 67736 67726 67725 67719 67715 67712 67735 67739 67737 67755 67727 67717 Planetary W.R. walnut walnut walnut 2-4 4-10 4-10 walnut walnut walnut walnut walnut walnut walnut rake walnut walnut walnut walnut walnut walnut walnut walnut 2-4 walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut walnut rake walnut walnut walnut walnut 1-2 walnut walnut walnut walnut walnut walnut 1-2

Lunar 1980luhc.conf....1M 69920 69003 69941 69001 69940 69924 69923 69922 69921 69004 68815 Number and Planetary soil 2-4 4-10 CSSD core rock soil CSSD 1-2 <1