Qsw grid ticks, zone 13. (Transverse Mercator). 1,000-meter Universal Transverse Mercator 10,000-foot grid ticks: coordinate system, central zone North American Datum of 1927 (NAD 27). Projection and Base from U.S. Geological Survey, 1953; photorevised 1993. Qac Qf af Qc Qls Qal Qt Qt QTs GEOLOGIC MAP OF THE TETILLA PEAK QUADRANGLE, SANTA FE AND SANDOVAL COUNTIES, NEW MEXICO Qac QTs Qc Qls Qt Qsw Qls af Qac Qac Qal Qsw Qsw QTs Tbr Qsw af QTs Tat Qf Tbr Qp af Qt

Cochiti-T Windmill Qt Tat Qac Qsw Qac Qfd Qsw Qp QTs Qf Qls Qt Qt U.S. GEOLOGICAL SURVEY U.S. DEPARTMENT OF THE INTERIOR Qac Qt Qal Qf Qc Qfd

Tbr 2.62 QTs D19 Qls Qt Tbb Qfd Qac Qp Qls QTs QTs QTs Qfd Qsw Qt Qac Tat Qfd Qfd Tat af QTs

Qsw 16 2.44 Qc Qls Qt Tab

D24

10 56 Tbd

Qc 10 Qc

QTs

55 57 53 Qls

Qsw Qls

QTs Tab Tat Qt 56

Jt

Qls 5

Tsp 7

55 38

38 43 Je Tbr Tsp Qac Qt Tbd

ၣ

Tbb

70 34 Jt Qp Tsp QTs

Tab c

Te 70 Qac Qc

Jwb 76

51 Qac Jt 7 Tsp af Tbb

Qt

Qac 36 D02 Qc

Tsp

Qls Qac Tab

21

Jwb 11 13 Te

Tbs Tg 19 Tbb

af 35

78

18

65 Tc Tbb Qc 56 Qc Tbb Tab

Qsw 6 Tab

10

12

8

22 Qls

D03 12 Tbb Tab Tsp Tc Tbb Qls Te Tbd

Qac 82

Jmw 10 85

Tg

17

12 5 Jwb

Qac

21 10 Qsw M49

Jmw 11

Qac

Tat 85

Tsp

85 12 Te

Qf 25 D05

Qsw

Qal 20 65 Qc Tsp

Qc

55 58

44

35

54 Tbd 65

Tbs

Tbb

APPROXIMATE MEAN 15 2.35 Qd

DECLINATION, 1993 65 Tbj Qsw

Jmb Jmb 22 30

Tg 69 70 Te Qf

Qc af 62

Tg

Kmb Tab 16

Tab

Tbb Qsw 11 Tbs

Qc Tbd 48 Tbd

Kdo 42 5

42 Tab TRUE NORTH / 10

David A. Sawyer, Ralph R. Shroba, Scott A. Minor, and Ren A. Thompson 10 Jmj 21 Kdc Tbd

Z04

1 Qsw Tsp

MAGN Tg 7

ETIC N Jmj 2 Tbr

Qc 24 68

OR ° TH 42 Qt Qc Tbs Kdc

Tbb

18

46 15 Tsp Te Qac Qc Digital compilation by Jeffrey C. Blossom, Thomas R. Fisher, Ronald R. Wahl, and D. Paco Van Sistine

Qc

Qac 15 35 Qac Kmn

Kdc 10 Kdo Qf Qf Tg Tbb

Kmb Tab 20 Kdc

Kmj 4 Kdo Tab Tmi Z05 Qls Qsw Tbb Kmb

Kmj

15

Kmj

84 11 Qd Tab Tbj Qac

Kmb Tbd af 2.78 Qls Qls Qls Kmn Tsp Tdt Tat Qac Qac D34 Te Tc T01 Z10 Tbs Tbr af Tsp Tbj

Qd

47 74

Tbd 15 Qc Qsw Qsw Qls Tbs Qac Qc Qac Qls af Tbj 1

Qc 27 Qsw

AMT-4 Kmj Kmn Tsp Qc Kmn Qsw D06 Tmi D13 Tmi Qsw Kmn Qls Qls Kmn

Qls 2.66 Kmn Tbr Qac 1

D10 Tbb 3.04 Tbr

Kmn Qfd 14 Tmi Qc Tbr

Eight Hundred Foot Well D07 Tbr /2 1/ Tbd Kmn D08

NATIONAL GEODETIC VERTICAL DATUM OF 1929 Qal 2.03 D09 Kmn Qc Qfd Qsw Qls .5 Qfd CONTOUR INTERVAL 20 FEET D101 Tbr Qls Tbd Qac Qac Qac D98A Tbd Qsw Qsw Qd Kmn Tsp Qac Qac Tg SCALE 1:24 000

Kmn 10

Qfd 9

13

Kmn

6 11 Qls Kmn Tbr Tmi Tg Qac Qac 2002

Tg

Tbj 19

Tsp 10 Qc

By

10

11 11 0 0 Qd Kmn Tg Tby Qac Kmn Qls Tsp D99 Tbr Tbr Qsw Tbj Qsw

Qfd 31 Tbr Qac Tg Tbd Qsw Qac Tg Qc Qd Qls Qls Qac D11 Qd af Tbr

Tbd 11 Qls Qsw QTa Qac Qc Tby

Tg BachMen20 2.80

1 KILOMETER D12 Tbd 2.42 Tbj Tg Qac Qsw Qac Qac Qc

Qsw 12 Qac Qac Tbj Qal

D15 Qac

Tbr 2.69 Tbr

Tg 12 Tbs Qac

Tbd 85 Tbj Tbj Qls Te Tbj Qac Tbr 1 MILE Tg D14 Qsw Tbr Qf Qc Qac Qac Tbd Qac Qf Te

Qac 6 Qsw Tbj Tbj Tbj Tbj Qac Qls Qac Qc Qls Te Qac Qf Qc MAP LOCATION NEW MEXICO Qsw Tbj Qsw Qc Qsw Qac Qc Te Qls Qac Tby Tmi Tbr Tbj Qac Te QTa Tbj Qal Qac Tbr Tbd

Qc 7 Qsw Qc Qf Tc Tmh QTa QTa af Te Tbj Tbj QTa Tby Qt Te Tbj Tc Qac Tmh Te

Qac 18 Tbs Tbr QTa Qac Kmd Tbs B48 Kmd Tbr Tbs Ralph Shroba, 1996–1998, assisted by Aaron Pecos, 1996.

Qac 29 af Bedrock geology by David Sawyer, Scott Minor, and Qt Qac QTa Tby Editing and digital cartography by Alessandro J. Donatich Tg QTa D97 Manuscript approved for publication December 13, 2000 Tbs Ren Thompson, 1996–1999; surficial geology by Qls Qac Qc B85 Qc Tbs Qsw

Qt

D88 39 Qt Qc Qls Qac

Qc

Tbd Tmi 8 Qsw Tc Te Tmi Qal Qc Qal Te Tmi Qt QTa

Tc 24 Qac B49 D04 Tc Tc Qac Qac D91

QTa

34 27

9 15 Qt Tg Tg Qf Qc af Qac

Tbd Qac 15 Tbs B142 Qc QTa Qc Tbs D96 Qsw

Tg 7 QTa Qsw Qsw

QTa Qac

Tmi 24 Tmi Tc Qac SA71 Qc B84

Qac Qf 31 Tg Tc Qac Kmd Qt Tg Qf Tbs B162 Qac Qc

QTa 40 Te D30 Qsw Qac

Qc 18 Te Tbs Qal QTa Qf af Kmn QTa QTa Qsw Qc

D01 2.68 12

QTa 15 30 Te Qf Qf

Qf 18 Tbs Qac Tbj Tbb Tbs Tbr Tby Tmh Qsw QTa Qac QTs Qfd Tab Tsp Qal Qls Tdt Tat Qp Qd Qc af Tg Qf Qt Te Tbd Tc af Tmi 35 35 ° ° 45' 30' Subregional simplified geologic map of the northeastern Santo Domingo basin and part western Española basin showing the location and regional geologic context of Tetilla Peak 7.5' quadrangle a Qac Qal ( and ) Hornblende monzonite porphyry (Oligocene) Monzonite and monzonite porphyry intrusions (Oligocene) ( or Oligocene) Cieneguilla Basanite (Miocene to Oligocene) (Miocene to Oligocene) Santa Fe –eastern piedmont facies (Miocene?) Basalt of Mesita de Juana () Basalt of La Bajada (Pliocene) Basalt of Tsinat Mesa (Pliocene) Andesite of Tetilla Peak (Pliocene) Dacite of Tetilla Peak (Pliocene) Basalt of Caja del Rio (Pliocene) Basaltic dikes (Pliocene and Miocene) Y Upper sediments (middle or early to late(?) Pediment deposits (middle Pleistocene) (late or middle Pleistocene to Pliocene) T Landslide deposits (Holocene to early Pleistocene) Sheetwash deposits (Holocene to middle (?) Pleistocene) Debris-flow deposits (Holocene to middle(?) Pleistocene) Colluvium, undivided (Holocene to middle(?) Pleistocene) Fan alluvium (Holocene to middle Pleistocene) Fan alluvium and debris-flow deposits (Holocene to middle(?) Pleistocene) Alluvium and colluvium, undivided (Holocene late Pleistocene) Flood plain and stream channel deposits (Holocene late(?) Artificial fill deposits (latest Holocene) ?? errace alluvium (late and middle(?) Pleistocene) ounger basalt of Caja del Rio (Pliocene) 0 Pliocene) Pleistocene) Volcanic Field Santo Domingo Pueblo SW 7.5' aaa75 Montoso Peak 7.5' Cañada 7.5' Santo Domingo Basin Miocene to Eocene igneous and sedimentary rocks V Jemez olcanic rocks of the Cerros de Rio volcanic field

5 (Santa Fe Group basin fill) Qfd ????? LIST OF MAP UNITS SURFICIAL DEPOSITS

TERTIARY ROCKS

10 km Pajarito Pueblo Cochiti fault zone fault Qf Santo Domingo Pueblo Santo Domingo cQsw Qc Cochiti Dam Pueblo 7.5' 7.5'

Qd

L

a

106

B

a

j

a °

15'

d R

a io

f a u l t G Cerros del Rio Volcanic Field r (2.7- 2.3 Ma) a Tetilla Peak 7.5' n d Mesozoic e Rocks Jmw Kmd Kmb Kmn Jmb Jwb Kdo Kmj Jmj Kdc Qls ၣ Tg Je Te Jt c CORRELATION OF MAP UNITS

Qt (Santa Fe Group basin fill) basin Group Fe (Santa

QTa Española Basin Española Tab Tsp ? ? D14 D13

AMT-4 transfer fault Jmw QTs Kmd Kmb Kmn Jmb Jwb rift border Qp Kdo Kmj Jmj Kdc pre-2.7-Ma Interpreted ၣ Je

? Jt 82

c

I-25 US 2.66 17

65 56 Joint Strike and dip of bedding Audio-magneto-telluric (or high-frequency magnetotelluric) station Pit or quarry Geochemical analysis sample locality Geochronologic analysis sample locality Cinder deposits in units Syncline Anticline Fault Lava-flow contact Contact (Upper ) Entrada (Middle ) T W (Upper Jurassic) Dakota Sandstone (Upper ) and Dakota Sandstone, undivided (Upper Cretaceous) Mancos Shale (Upper Cretaceous) odilto Formation (Middle Jurassic) Tbs anakah Formation, Beclabito Member (Middle Jurassic) V Inclined W Brushy Basin Member Jackpile Sandstone Member Oak Canyon Member Cubero Tongue Bridge Creek Limestone and Graneros Members, undivided , and Blue Hill Fairport Members of the Niobrara Member ertical or near vertical estwater Canyon Member where available. See table 4 plane at lineation site indicates slip lineation bearing and plunge. Arrowhead dip of fault downthrown side. Opposed arrows show strike-slip movement. Diamond , undivided —Showing dip where known. Dotted concealed. Bar and ball on MESOZOIC SEDIMENTARY ROCKS Tbb Tby Tbr MISCELLANEOUS FIELD STUDIES MAP MF–2352 Tdt Tat —Concealed or uncertain internal flow contact —Concealed or uncertain internal Tc Shaded-illumination Digital Elevation Model Tby (DEM) of the Tetilla Peak quadrangle —Showing strike Tbj , Tbr , Tbs http://geology.cr.usgs.gov/pub/mf-maps/mf-2352 ARC/INFO coverages and a PDF for this map are available at 1-888-ASK-USGS Box 25286, Federal Center, Denver, CO 80225 For sale by U.S. Geological Survey Information Services digital files, on an electronic plotter This map was produced on request, directly from endorsement by the U.S. Geological Survey descriptive purposes only and does not imply Any use of trade names in this publication is for Tmi —See table 3 , Tbj —Showing isotopic age (in Ma) Tmh , Tbd Tbb Eocene Oligocene Miocene Pliocene Pleistocene Holocene Cretaceous Jurassic Jurassic T Upper Middle Upper Pamphlet accompanies map riassic Upper Version 1.0 TRIASSIC JURASSIC CRETACEOUS TERTIARY QUATERNARY