DOCSLIB.ORG

Lexicon of Stratigraphic Names Used in South-Central Colorado Amd Northern New Mexico, San Luis Basin Christina Lochman-Balk and James E

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Lexicon of Stratigraphic Names Used in South-Central Colorado Amd Northern New Mexico, San Luis Basin Christina Lochman-Balk and James E New Mexico Geological Society Downloaded from: http://nmgs.nmt.edu/publications/guidebooks/22 Lexicon of stratigraphic names used in south-central Colorado amd northern New Mexico, San Luis Basin Christina Lochman-Balk and James E. Bruning, 1971, pp. 101-111 in: San Luis Basin (Colorado), James, H. L.; [ed.], New Mexico Geological Society 22nd Annual Fall Field Conference Guidebook, 340 p. This is one of many related papers that were included in the 1971 NMGS Fall Field Conference Guidebook. Annual NMGS Fall Field Conference Guidebooks Every fall since 1950, the New Mexico Geological Society (NMGS) has held an annual Fall Field Conference that explores some region of New Mexico (or surrounding states). Always well attended, these conferences provide a guidebook to participants. Besides detailed road logs, the guidebooks contain many well written, edited, and peer-reviewed geoscience papers. These books have set the national standard for geologic guidebooks and are an essential geologic reference for anyone working in or around New Mexico. Free Downloads NMGS has decided to make peer-reviewed papers from our Fall Field Conference guidebooks available for free download. Non-members will have access to guidebook papers two years after publication. Members have access to all papers. This is in keeping with our mission of promoting interest, research, and cooperation regarding geology in New Mexico. However, guidebook sales represent a significant proportion of our operating budget. Therefore, only research papers are available for download. Road logs, mini-papers, maps, stratigraphic charts, and other selected content are available only in the printed guidebooks. Copyright Information Publications of the New Mexico Geological Society, printed and electronic, are protected by the copyright laws of the United States. No material from the NMGS website, or printed and electronic publications, may be reprinted or redistributed without NMGS permission. Contact us for permission to reprint portions of any of our publications. One printed copy of any materials from the NMGS website or our print and electronic publications may be made for individual use without our permission. Teachers and students may make unlimited copies for educational use. Any other use of these materials requires explicit permission. This page is intentionally left blank to maintain order of facing pages. 101 LEXICON OF STRATIGRAPHIC NAMES USED IN SOUTH- CENTRAL COLORADO AND NORTHERN NEW MEXICO, SAN LUIS BASIN by CHRISTINA LOCHMAN-BALK AND JAMES E. BRUNING New Mexico Institute of Mining and Technology Socorro, New Mexico This lexicon is an alphabetical listing of the stratigraphic L. lower names used in the Guidebook of The New Mexico Geolog- lent. lenticular ical Society-22nd Field Conference. Unit names (forma- lithog. lithographic tion or group) system or period. Names printed in bold- mass. massive face are currently accepted by the U.S. Geological Survey. min. minimum Many of the names printed in caps and lower case are occas. occasional those that the Survey has had no occasion to consider for perst. persistent use. por. porous prcd. predominantly 1) Areal distribution given in original description. sdy. sandy 2) Reference in which unit was first defined or men- slit. slightly tioned. transit. transitional 3) Type locality. U. upper 4) Short lithologic description (and thickness) at the unclif. undifferentiated type locality or in the type area. 5) Age to stage; contacts; emending or refining de- ALBOROTO RHYOLITE—U. Oligocene scriptions of note; additional areal distribution; 1) SW Colorado. additional information on thickness, Ethology, 2) E. S. Larsen, 1917, Colo. G. Survey Bull. 13, p. 20, and character of the beds in the area of the 22nd 36; Larsen and Cross, 1956, U.S.G.S. Prof. Pap. 258, Field Conference (1971). p. 132-143. The following glossary of abbreviations contains those 3) Alboroto Peak, San Cristobal Ouadr., Hinsdale Co., used in the list of names that are not widely used and Colo. known. Most abbreviations used herein for lithologic de- 4) Low. part (1/5) of tridymite rhy.-thin flows and scription are well known to all geologist, and are not in- assoc. tuffs (0-500') Up. part (4/5) of biotite horn- cluded in the glossary. blende latite and rhyolite (0-3,000'). 5) Disconf. on Sheep Mtn. Otz. Latite; overlain conf. alt. alternating by Huerto Otz. Latite; covers over 100 mi. in San ascend. ascending, in ascending order Juan Mtns., max. thick. in Creede Quad.; Low. pt. btw. between incl. (Campbell Mtn. rhy., Willow Creek rhy.) .,= calc. calcareous Bachelor Mtn. Rhyolite, Outlet Tunnel qtz. latite; calcar. calcarenites Up. pt. incl. Equity and Phoenix Park qtz. latites;= char. characterized Fish Canyon Tuff-La Garita Otz. Latite and An- conf. conformable or conformably. Used also &site of Saguache Cr. (27.8 m.y.). with prefixial "un" and "dis." L. membs. = Blue Mesa Tuff, Dillon Mesa Tuff. cont. continental Sapinero Mesa. Tuff. U. memb. Fish Canyon correl. correlative or correlated Tuff (Olson, Hedlund and Hansen, 1968). depos. deposited descend. descending, in descending order Antero Formation—Oligocene desig . designated 1) Cent. Colorado. equiv. equivalent 2) J. T. Stark et al., 1949, Geol. Soc. Am. Mem. 33, p. fang. fanglomerate 63. flue. fluviatile 3) In Ts. 12-15 S., Rs. 75-76 W., south and west of gradat. gradational Hartsel, Park Co., Colo. gr.g grain (ed ) 4) Lake seds.-3 mems., ascend.—thin algal lss. at base, gran. granular tuff, sss., cgls., minor shs., basal cgls. lentic., poor. gray. gravel sort. tuff interb. with shs., up to 100' thick; mid interb. interbedded memb. fine gr. pumice, tuffs (50') at base, overlain 102 NEW MEXICO GEOLOGICAL SOCIETY-TWENTY-SECOND FIELD CONFERENCE by lent. dense shs. and fossil. algal lss.; up memb. 3) N. side of Rock Cr. along U.S. Hwy. 24 (1938) 0.2 cgls. with ss. intcrb. (600'-2,000' ). m. N. of Gilman, Eagle Co., Colo. 5) White River age; vert. fossils, fresh water gastro., 4) Interb. drk. gry. argill. lss. and lam. carbonac. shs., ostracods, algae, wood: Disconf. on Blafour Fm., thin sss., and a few imp. coals (25'-200') increase to unconf. overlain by Wagontongue Fm., deposits of S. to 1,100' in Chaffee and Gunnison Cos., (Dings Lake Antero. and Robison 1957). 5) Desmoinesian; raised to Fm. by Brill (1944), re- Abiquiu Tuff—Miocene places Weber Sh. for basal Penn. in Colo.; unconf. 1) N. Cent. New Mexico. on Leadville Ls., overlain conf. and gradat. by Min- 2) H. T. U. Smith, 1938, Jour. Geol. v. 46, p. 944. turn Fm.; Dings and Robinson rccogn. 3 mcmbs., 3) Along the Chama Valley west of Abiquiu, Rio ascend.-drk. sh.; intcrb. lss. and shs.; shs. with qtzite. Arriba Co., New Mexico. 4) Wh., It. gry. to orange, fin. lamin. to mass. bed. tuff Big Baldy Andesite (see Informal Names List) and vole. cgl., stream laid, few intcrb. lava flows; forms steep cliffs (1,000'-1,250' ). Biscara Member (of Los Pinos Formation)—Miocene? 5) Disconf. on El Rito Fm., unconf. on Precamb. gran- or Pliocene? ite; overlain conf. and gradat. by Santa Fe Fm.; E. of Biscara—Esquibel member; Biscara intrusive andesite El Rito Cr. cgls. and sss. pred. intcrb. with tuff. 1) N. Cent. N. Mex. layers in up. pt. up. pt. of Los Pinos Fm. and low. 2) Fred Barker, 1958, N. Mex. Bur. Min. and Miner. pt. of Santa Fe Fm.; Consid. memb. of Santa Fe Fm. Res. Bull. 45, p. 44. by Budding, Pitrat and Smith (1960 ). 3) In Biscara Canyon 1.5 mi. from mouth, Las Tablas Ouad., Rio Arriba Co., N. Mex. ALAMOSA FORMATION—Pliocene-Pleistocene 4) Interb. tuffac. sss., tuff, cgls. and vole. flow brecc.; 1) S. Cent. Colorado. low. unit of gry. rhy. tuff, water-laid tuffac. cgls.; 2) C. E. Sicbenthal, 1910, U.S.G.S. Wat. Sup. Pap. 240, up. unit of poor. sort. cgls. of qtzite, pegmat. in ark. p. 40. matrix (650'-700'). 3) Hansen Bluff, E. bank Rio Grande Riv., SE. of 5) Unconf. on Precamb. rocks; overlain disconf. by Alamosa, and logs of test wells, T. 39 N., T. 40 N., Jarita Memb. and Cordito Memb. overlap from S. R. 11 E., (W. J. Powell, 1958), Alamosa Co., Colo. to N.; grades N. into Biscara-Esquibel Memb. 4) Buff-red uncon. gray., sss., silt, clay; qtz. pebb.; br. to blu-gry. clay in up. pt; all lithol. rapid lat. and vert. Biscara-Esquibel Memb.—(of Los Pinos Formation)— changes (0-2,000' ). Miocene? or Pliocene? 5) Siebenthal put top below first perst. fine ss. or clay; Undif. sss., tuff, cgls., and vole. flow brecc. of low. Powell includes all Recent ss. and gray.; deepest: Los Pinos Fm. below Jarita Bas.; mapp. as single unit gray. at 72'; below blu. clay alter. with fine ss.; great. by Fred Barker, 1958. thick near depo. center of San Luis Valley; fresh water snails and vert. frags. age Late Plio. and/or BLANCO BASIN FORMATION—Oligocene? Early Pleisto. 1) SW Colorado. 2) E. S. Larsen, 1935, U.S.G.S. Bull. 843, p. 48. BACHELOR MOUNTAIN RHYOLITE—U. 3) E. side of Chama Riv., near S. edge of Summitville Oligocene _Ouad. Archuleta Co., Colo. 1) SW Colorado. 4) Ark. sss., cgls., shs., no vole. mater.; 3 memb., ascend., 2) T. A. Steven and J. C. Ratte, 1965, U.S.G.S. Prof. brit. red, soft, mdy., sss. and shs.; brok. cliff of interb. Pap. 475-D, p. D57. wh. sss. and red shs.; cliff of wh. sss. (500'-600'). 3) Bachelor Mtn. NW of Creede, Mineral Co., Colo. 5) Unconf. on Cret. fms. and Animas Fm., overlain 4) Lt. gry. dens. weld. rhy. tuff at base grad. up to com- conform. by Conejos Fm.; F. B. Houton (1957 )— pact weld. tuff in mid., to por.
Load more

Recommended publications
  • Group Living Frequently Asked Questions
    Group Living Project – Common Questions General questions about the project: Page 1 Household Regulations: Page 3 Residential Care: Page 6 Advisory Committee: Page 9 Next Steps: Page 10 What is this project about and how long has it been going on? For the last two and a half years, Denver city planners have been working with residents, policy experts, advocates and service providers for vulnerable populations and other community members to update the Denver Zoning Code’s regulations on residential uses. These regulations govern everything from conventional households to group homes, shelters and assisted living facilities. Why do residential use rules need to be updated? Current rules create obstacles for residents who need flexible housing options and for providers who offer much-needed services to vulnerable populations. Current rules also perpetuate inequity by making it harder for certain communities to live in residential neighborhoods and near jobs, transit or other services they need. The project and the proposed changes aim to increase flexibility and housing options for residents, to streamline permitting processes for providers while fostering good relationships with neighbors, and to make it easier for those experiencing homelessness, trying to get sober or who have other special needs to live and access services with dignity. Why can’t we move more slowly with these changes? This project has been in progress for more than two years. The issues addressed have become even more urgent in the wake of the ongoing pandemic, job losses that are leading to a wave of evictions, the forthcoming loss of Denver’s existing community corrections resources, and our country’s long-overdue awakening to issues of equity.
    [Show full text]
  • Derivation of Intermediate to Silicic Magma from the Basalt Analyzed at the Vega 2 Landing Site, Venus
    RESEARCH ARTICLE Derivation of intermediate to silicic magma from the basalt analyzed at the Vega 2 landing site, Venus J. Gregory Shellnutt* National Taiwan Normal University, Department of Earth Sciences, Taipei, Taiwan * [email protected] Abstract a1111111111 a1111111111 Geochemical modeling using the basalt composition analyzed at the Vega 2 landing site a1111111111 indicates that intermediate to silicic liquids can be generated by fractional crystallization and a1111111111 equilibrium partial melting. Fractional crystallization modeling using variable pressures (0.01 a1111111111 GPa to 0.5 GPa) and relative oxidation states (FMQ 0 and FMQ -1) of either a wet (H2O = 0.5 wt%) or dry (H2O = 0 wt%) parental magma can yield silicic (SiO2 > 60 wt%) composi- tions that are similar to terrestrial ferroan rhyolite. Hydrous (H2O = 0.5 wt%) partial melting can yield intermediate (trachyandesite to andesite) to silicic (trachydacite) compositions at OPEN ACCESS all pressures but requires relatively high temperatures ( 950ÊC) to generate the initial melt Citation: Shellnutt JG (2018) Derivation of at intermediate to low pressure whereas at high pressure (0.5 GPa) the first melts will be intermediate to silicic magma from the basalt generated at much lower temperatures (< 800ÊC). Anhydrous partial melt modeling yielded analyzed at the Vega 2 landing site, Venus. PLoS mafic (basaltic andesite) and alkaline compositions (trachybasalt) but the temperature ONE 13(3): e0194155. https://doi.org/10.1371/ journal.pone.0194155 required to produce the first liquid is very high ( 1130ÊC). Consequently, anhydrous partial melting is an unlikely process to generate derivative liquids. The modeling results indicate Editor: Axel K Schmitt, Heidelberg University, GERMANY that, under certain conditions, the Vega 2 composition can generate silicic liquids that pro- duce granitic and rhyolitic rocks.
    [Show full text]
  • Physiographic Subdivisions of the San Luis Valley, Southern Colorado
    113 PHYSIOGRAPHIC SUBDIVISIONS OF THE SAN LUIS VALLEY, SOUTHERN COLORADO by J. E. UPsolvf University of Idaho Moscow, Idaho EDITOR'S NOTE: The New Mexico Geological Society v is grateful to the Journal of Geology for permission to re- print this classic article. After 32 years the work still re- WVO. • mains the most quoted reference in its field on the basin. AP.. _ AC . I The photographs were retaken under Mr. Upson's direc- / tion and duplicate the originals as closely as possible, with –rt 1 the exception of Figure 5, which was taken a short distance ,0 "north" of the mouth of the Rio Costilla. Slight editorial /y .R changes in punctuation and capitalization were made on p 3, the article to conform to present day usage. Denver 70 0 0) INTRODUCTION 3 , CID The San Luis Valley, forming the upper end of the u) great valley of the Rio Grande, is one of the most impres- sive topographic features of southern Colorado. As orig- inally outlined by Siebenthal, 1 it is a great lowland about 150 miles long and 50 miles in maximum width, flanked on the east by the linear Sangre dc Cristo Range and on 0 7/, / the west by the eastern portion of the more extensive San 3 0 0N405 Juan Mountains. It is, in a sense, part of the chain of in- t4 •O 4. SP O V4 / termontane basins, or parks,2 lying west of the Southern ` 1,1‘0 AN Rocky Mountain front ranges, but is unlike the others in Llt IS q` having no southern mountain border.
    [Show full text]
  • Memorial to W.A. “Bill” Cobban (1916–2015) NEAL L
    Memorial to W.A. “Bill” Cobban (1916–2015) NEAL L. LARSON Larson Paleontology Unlimited, LLC, Keystone, South Dakota 57745, USA; [email protected] NEIL H. LANDMAN American Museum of Natural History, Division of Paleontology (Invertebrates), New York, New York 10024, USA; [email protected] STEPHEN C. HOOK Atarque Geologic Consulting, LLC, Socorro, New Mexico 87810, USA; [email protected] Dr. W.A. “Bill” Cobban, one of the most highly re- spected, honored and published geologist-paleontologists of all time, passed away peacefully in his sleep in the morning of 21 April 2015 at the age of 98 in Lakewood, Colorado. Bill was an extraordinary field collector, geologist, stratigrapher, biostratigrapher, paleontologist, and mapmaker who spent nearly his entire life working for the U.S. Geo- logical Survey (USGS). In a career that spanned almost 75 years, he fundamentally changed our understanding of the Upper Cretaceous Western Interior through its fossils, making it known throughout the world. William Aubrey “Bill” Cobban was born in 1916 near Great Falls, Montana. As a teenager, he discovered a dinosaur in the Kootenai Formation catching the attention of Barnum Brown, premier dinosaur collector at the American Museum of Natural History, where the dinosaur now resides. A few years later, as Bill told, he read about the discovery of fossil bones in Shelby, Montana, during excavation of the Toole County Courthouse. The bones turned out to actually be baculites and other iridescent ammonites. These ammonites made such an impression on Bill they would change his life forever. He attended Montana State University in 1936, where he met a geology professor who encouraged an already developing love for geology and paleontology and received his B.S.
    [Show full text]
  • Grand Mesa, Uncompahgre, and Gunnison National Forests DRAFT Wilderness Evaluation Report August 2018
    United States Department of Agriculture Forest Service Grand Mesa, Uncompahgre, and Gunnison National Forests DRAFT Wilderness Evaluation Report August 2018 Designated in the original Wilderness Act of 1964, the Maroon Bells-Snowmass Wilderness covers more than 183,000 acres spanning the Gunnison and White River National Forests. In accordance with Federal civil rights law and U.S. Department of Agriculture (USDA) civil rights regulations and policies, the USDA, its Agencies, offices, and employees, and institutions participating in or administering USDA programs are prohibited from discriminating based on race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, family/parental status, income derived from a public assistance program, political beliefs, or reprisal or retaliation for prior civil rights activity, in any program or activity conducted or funded by USDA (not all bases apply to all programs). Remedies and complaint filing deadlines vary by program or incident. Persons with disabilities who require alternative means of communication for program information (e.g., Braille, large print, audiotape, American Sign Language, etc.) should contact the responsible Agency or USDA’s TARGET Center at (202) 720-2600 (voice and TTY) or contact USDA through the Federal Relay Service at (800) 877-8339. Additionally, program information may be made available in languages other than English. To file a program discrimination complaint, complete the USDA Program Discrimination Complaint Form, AD-3027, found online at http://www.ascr.usda.gov/complaint_filing_cust.html and at any USDA office or write a letter addressed to USDA and provide in the letter all of the information requested in the form.
    [Show full text]
  • Geology and Hydrology, Front Range Urban Corridor, Colorado
    Bibliography and Index of Geology and Hydrology, Front Range Urban Corridor, Colorado By FELICIE CHRONIC and JOHN CHRONIC GEOLOGICAL SURVEY BULLETIN 1306 Bibliographic citations for more than 1,800 indexed reports, theses, and open-file releases concerning one of the Nation's most rapidly growing areas UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1974 UNITED STATES DEPARTMENT OF THE INTERIOR ROGERS C. B. MORTON, Secretary GEOLOGICAL SURVEY V. E. McKelvey, Director Library of Congress catalog-card No. 74-600045 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D. C. 20402- Price $1.15 (paper cover) Stock Number 2401-02545 PREFACE This bibliography is intended for persons wishing geological information about the Front Range Urban Corridor. It was compiled at the University of Colorado, funded by the U.S. Geological Survey, and is based primarily on references in the Petroleum Research Microfilm Library of the Rocky Mountain Region. Extensive use was made also of U.S. Geological Survey and American Geological Institute bibliographies, as well as those of the Colorado Geological Survey. Most of the material listed was published or completed before July 1, 1972; references to some later articles, as well as to a few which were not found in the first search, are appended at the end of the alphabetical listing. This bibliography may include more references than some users feel are warranted, but the authors felt that the greatest value to the user would result from a comprehensive rather than a selective listing. Hence, we decided to include the most significant synthesizing articles and books in order to give a broad picture of the geology of the Front Range Urban Corridor, and to include also some articles which deal with geology of areas adjacent to, and probably pertinent to, the corridor.
    [Show full text]
  • Church Properties for Sale Colorado
    Church Properties For Sale Colorado recogniseNeville remains his peevishness. pleasurable Conciliarafter Morley Brandy centrifugalize disfeatures parcel easily or while tweezes Corky any always Oldham. hams Hush-hush his mousses and brush-uptinsel Kennedy incognita, interlard he tetanised so smilingly so opposite. that Vernen RMCLT utilizes a scattered site challenge to homeownership our homes and families are scattered throughout the better of Colorado Springs and El Paso County. Please select areas that were an affordable homeownership; or colorado square retail center is located in short on the school year and councilman ed vela have. Together we carry A to Z commercial real estate development services to User. Sale Lease Properties NAI Shames Makovsky. Beyond Just Homes with Pamela Church Real Estate in. The sale to fix them includes large retail centers properties for sale whose setting. Church Properties Duhs Commercial. Text or scheduled conference room, no end and east facing with rewards and gift ideas about school activities for rent a pin leading commercial properties for sale offering such. Beautiful gown in Walsenburg CO This judge a religious facility built in 1929. Colorado Retail Properties For Sale Cityfeet. Durango Commercial Real Estate For Sale Durango CO. Commercial Real Estate for Sale & Rent Colorado Springs. Properties For excellent in Colorado Historic Homes United. See 15 Colorado Churches Religious Facilities for country Access photos 3D tours and accident on the 1 commercial real estate site. Littleton CO 0123 UNDER one Sale Price 1350000 16512 psf CAP Rate 734 Building Size 176 sf Lot Size 3177 SF 73 acres. The content relating to real estate for sale under this Web site comes in fee from the.
    [Show full text]
  • Description of the Telluride Quadrangle
    DESCRIPTION OF THE TELLURIDE QUADRANGLE. INTRODUCTION. along the southern base, and agricultural lands water Jura of other parts of Colorado, and follow­ vents from which the lavas came are unknown, A general statement of the geography, topography, have been found in valley bottoms or on lower ing them comes the Cretaceous section, from the and the lavas themselves have been examined slopes adjacent to the snow-fed streams Economic Dakota to the uppermost coal-bearing member, the only in sufficient degree to show the predominant and geology of the San Juan region of from the mountains. With the devel- imp°rtance- Colorado. Laramie. Below Durango the post-Laramie forma­ presence of andesites, with other types ranging opment of these resources several towns of tion, made up of eruptive rock debris and known in composition from rhyolite to basalt. Pene­ The term San Juan region, or simply " the San importance have been established in sheltered as the "Animas beds," rests upon the Laramie, trating the bedded series are several massive Juan," used with variable meaning by early valleys on all sides. Railroads encircle the group and is in turn overlain by the Puerco and higher bodies of often coarsely granular rocks, such as explorers, and naturally with indefinite and penetrate to some of the mining centers of Eocene deposits. gabbro and diorite, and it now seems probable limitation during the period of settle- sa^juan the the interior. Creede, Silverton, Telluride, Ouray, Structurally, the most striking feature in the that the intrusive bodies of diorite-porphyry and ment, is. now quite.
    [Show full text]
  • University Ox Nevada Reno Geology, Geotechnical Properties And
    University ox Nevada - Reno Reno Reno, Key; ;v5 57 geology, Geotechnical Properties and Vesicular Rock Classification of 1onsetown Basalts and Latites, Truckee Area, California A thesis submitted in partial fulfillment ox the requirements for the degree of Master of Science in Geological Engineering far L J Joseph G. Franzone May 1980 HftWttiS U M A I 'f fj'h.i s thesis of Joseph 0. Iran zone is approved: University of Revada. Reno May 19B0 ii ACKNOW LEBGEMENT 3 I am indebted to several people for the assistance and encouragement they gave me dui’ing the preparation of this thesis. Professional advisement of the project and critical reviewing of the manuscript were provided by Sr. Robert J. Watters, Dr. Joseph Lints, Jr. and Dr. Y. S. Kim. Dr. Y. S. Kira graciously made the Rock Mechanics Laboratory and testing equipment available. Dr. Robert J. Watters also allowed unlimited freedom to the Geological Engineering Laboratory equipment and also, along with Dr. Joseph Lintz, Jr., provided invaluable guidance throughout the thesis preparation. Appreciation for help in de-bugging the laboratory equipment goes to my colleague, Ken Krank. Finally, and most importantly, I am indebted to my parents who, whenever I needed them, were always present and supportive. ABSTRACT Geology, physical and engineering properties of the rock units of the lousetown Basalts and Latites in the Trucked Area, California were determined by field and laboratory testing and field ODservations. Of the 16 properties that were calculated for massive samples, 8 were shown to be capable of preuicting i^-e compressive strength and 10 were shown to be capable of predicting the Elastic Modulus.
    [Show full text]
  • Summits on the Air – ARM for USA - Colorado (WØC)
    Summits on the Air – ARM for USA - Colorado (WØC) Summits on the Air USA - Colorado (WØC) Association Reference Manual Document Reference S46.1 Issue number 3.2 Date of issue 15-June-2021 Participation start date 01-May-2010 Authorised Date: 15-June-2021 obo SOTA Management Team Association Manager Matt Schnizer KØMOS Summits-on-the-Air an original concept by G3WGV and developed with G3CWI Notice “Summits on the Air” SOTA and the SOTA logo are trademarks of the Programme. This document is copyright of the Programme. All other trademarks and copyrights referenced herein are acknowledged. Page 1 of 11 Document S46.1 V3.2 Summits on the Air – ARM for USA - Colorado (WØC) Change Control Date Version Details 01-May-10 1.0 First formal issue of this document 01-Aug-11 2.0 Updated Version including all qualified CO Peaks, North Dakota, and South Dakota Peaks 01-Dec-11 2.1 Corrections to document for consistency between sections. 31-Mar-14 2.2 Convert WØ to WØC for Colorado only Association. Remove South Dakota and North Dakota Regions. Minor grammatical changes. Clarification of SOTA Rule 3.7.3 “Final Access”. Matt Schnizer K0MOS becomes the new W0C Association Manager. 04/30/16 2.3 Updated Disclaimer Updated 2.0 Program Derivation: Changed prominence from 500 ft to 150m (492 ft) Updated 3.0 General information: Added valid FCC license Corrected conversion factor (ft to m) and recalculated all summits 1-Apr-2017 3.0 Acquired new Summit List from ListsofJohn.com: 64 new summits (37 for P500 ft to P150 m change and 27 new) and 3 deletes due to prom corrections.
    [Show full text]
  • Lunar Crater Volcanic Field (Reveille and Pancake Ranges, Basin and Range Province, Nevada, USA)
    Research Paper GEOSPHERE Lunar Crater volcanic field (Reveille and Pancake Ranges, Basin and Range Province, Nevada, USA) 1 2,3 4 5 4 5 1 GEOSPHERE; v. 13, no. 2 Greg A. Valentine , Joaquín A. Cortés , Elisabeth Widom , Eugene I. Smith , Christine Rasoazanamparany , Racheal Johnsen , Jason P. Briner , Andrew G. Harp1, and Brent Turrin6 doi:10.1130/GES01428.1 1Department of Geology, 126 Cooke Hall, University at Buffalo, Buffalo, New York 14260, USA 2School of Geosciences, The Grant Institute, The Kings Buildings, James Hutton Road, University of Edinburgh, Edinburgh, EH 3FE, UK 3School of Civil Engineering and Geosciences, Newcastle University, Newcastle, NE1 7RU, UK 31 figures; 3 tables; 3 supplemental files 4Department of Geology and Environmental Earth Science, Shideler Hall, Miami University, Oxford, Ohio 45056, USA 5Department of Geoscience, 4505 S. Maryland Parkway, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA CORRESPONDENCE: gav4@ buffalo .edu 6Department of Earth and Planetary Sciences, 610 Taylor Road, Rutgers University, Piscataway, New Jersey 08854-8066, USA CITATION: Valentine, G.A., Cortés, J.A., Widom, ABSTRACT some of the erupted magmas. The LCVF exhibits clustering in the form of E., Smith, E.I., Rasoazanamparany, C., Johnsen, R., Briner, J.P., Harp, A.G., and Turrin, B., 2017, overlapping and colocated monogenetic volcanoes that were separated by Lunar Crater volcanic field (Reveille and Pancake The Lunar Crater volcanic field (LCVF) in central Nevada (USA) is domi­ variable amounts of time to as much as several hundred thousand years, but Ranges, Basin and Range Province, Nevada, USA): nated by monogenetic mafic volcanoes spanning the late Miocene to Pleisto­ without sustained crustal reservoirs between the episodes.
    [Show full text]
  • An Archaeological Inventory in the Pike's Stockade Area, Conejos
    An Archaeological Inventory in the Pike’s Stockade Area, Conejos County, Colorado by Kevin D. Black Principal Investigator Colorado Historical Society with a contribution by Bruce Wahle Denver Chapter Colorado Archaeological Society Sponsored by Colorado Historical Society Office of the State Archaeologist of Colorado Program for Avocational Archaeological Certification Denver, Colorado Colorado State Permits #2004–21, 2005–6, 2006–41 October 2007 Abstract During the 2004–2006 field seasons, an archaeological survey was conducted east of Sanford, Colorado as part of the training available in the Program for Avocational Archaeological Certification (PAAC). The project thus used volunteers largely from the Colorado Archaeological Society (CAS) already enrolled in PAAC, supervised and trained by the Assistant State Archaeologist from the Colorado Historical Society. The inventory was completed on about 907 acres of the Pike’s Stockade State Historic Monument (PSSHM) in Conejos County, Colorado. The study tract encompassed a low shrubland environment on and around a volcanic mesa named Sierro del Ojito, bordering the wooded floodplain of the Conejos River, at elevations of 2,296–2,495 m. This area was intensively surveyed primarily to train PAAC volunteers in archaeological inventory and mapping methods. In addition, this portion of southern Colorado had been the subject of relatively little archaeological research interest, and the PSSHM—as a regional property of the Colorado Historical Society—made a logical choice for a PAAC survey project. As a result of the survey a total of 37 sites and 26 isolated finds (IFs) were recorded, including both American Indian and non-Indian materials. Historic period non-Indian sites comprise a rather diverse mix of artifact scatters, cairns, fences, stone enclosures, and rock inscriptions related primarily to ranching and recreational activities.
    [Show full text]