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D U

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D U

64-00045-190

12-05484

20-180

15-359

08-040

27-07027-300

20-140

10-180

86-27020

50-30626-146

85-094

65-155 89-30425-225

87-208

20-120

38-210

33-290

30-004

47-300

86-196

87-29006-23219-13073-116

27-300

12-384

25-296

83-320 10-160

02-030

20-320

13-076

18-358

35-346

44-340

70-330

30-33580-330

88-300

17-342

40-344

12-022

75-11055-015

15-270

04-190

67-09539-290

16-000

30-300

09-276

19-290

75-116

18-300

79-08830-334

25-325

70-092

20-004

18-31070-100

21-260

25-280

75-104

25-286

20-27475-320

16-250

08-146

24-30011-270

85-095

76-10410-244

75-096

15-210

11-240

84-890

35-100

30-270

34-094

50-270

28-258

15-065

82-290

59-264

20-245

55-260

32-000

80

15

60-200

55-01970-204

64

34

44

18 51

24

52

46

16

0715

24

58

85

26

05

13

28-330

55-19030-300

37-32015-120

45-286

59-220

46

70

6157-080

30-070

30-320

70-236

61-050

52-070

70-070

62-260

70

64

4282

26

43-070

85-140

70-310

50-206

65

7965

75

64

47-060

64

56

73-010

55-000

70-070

50-090

57-002

45-000

45-005

26-330

55-050

64-048

65-056

85-290

67-308

76

7858

80

76

80

70 69

75

7484

82

56

41

87

38

34

34

70

70

75

14

26-306

15-330

25-310

65-280

40-325

62-310

55

20

25-270

30-280

45-284

13-280

30-338

38-324

20-340

79 41

21

21

08

20

12-090

15

28

08-013

25-180

65-080

35

35-105

35-11212-110

15-000

28

80

09

35-100

10

54

0828

36

16

30

22 17

27

88

60

7035

38

53

65

59

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5485

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68

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5659

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77

50

24

32

30

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80

44

36

47-060

89-070

60-075

85-340

81

89

50-08448

81

38-125

35

50

15

75-080

02/171

70-150

75

80-160

22/180

85-349

50

20/030

70-310

87-03404/308

05/295

77-025

06/26052-334

55

31/064

80-320

40/26484

10/020

88-110

42-345

66

41

97

20

15/27088-190

01

7502/162

48

68

65

350

15

25

5

28

25

20

38

28

44/270

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104

75

80-080

03/350

18/280

14-25802/194

75-10445/134

42

17-300

32-300 37-324

89-116

09-20613-345

10/342

67-250

80-228

55-10220/254

85-173

50/205

80

68-144

60-180

10/047

78-13423/324

82-056

85-285

82-180

82-082

10-036

62/044

70-090

20-064

02/296

65-025

80/290

08/303

70-270

22-220

65-210

45-210

85-126

47-300

64/250

15-31043-304

25-330

20-001

10-050

06-175

60/240

09/190

89-270

20-105

49-290

70-260

40/230

88-230

35/255

89-270

33-060

30-050

73-330

55/262

55

Qfy

85

15-040

17-072

82-197

89-096

04-010

10-020

Qfy

Qfy Qfy

Qfy

45-344

58-070

10-040

20/056

89-324

25-080 85-280

29

75-040

17

60-204

60-326

65-240

f a u l t z o n e

McG

affey

Rio

Gran

de

de

l

Embudo fault

zone

Ca

ño

n

s e c t i o n

o f

Sa n

gr e

de

Cr i

st o

f au

l tz

on

e

gre

deC

ris

to

fau

lt

dovasZone

D U

Taos

Sangre

de

Cristo

Mounta

ins

Taos

Plate

au

?

?

??

?

?

??

?

No Basalt

LosCordovas

Ranchosde Taos quad

BSpiegel and Couse

(1969)

CSpiegel and

Couse (1969)

ASpiegel and Couse (1969)

Basalt

Rdt-8White Ash

34.6 MaAr/Arr

Rdt-5Ash

28 MaAr/Ar

Rdt-4Rhyolite Clast

28 Ma Ar/Ar

D

D'

C

C'

E E'

?

Taos quadTaos SW

105°37'30"

No Basalt

Basalt

6900

6850

6850

6900

6900

6900

720069

0070

00

7100

7000

6950?

?

?

?

?

?

?

6950

Town of Taos Well #6“Howell”

Town of Taos Well #7“Mitchell”

Town of Taos Well #2“City Well”

Town of Taos #1“Pump House”

Town of Taos Wells #3 & #8“Post Office”

TW–60Town of Taos

Well #5“Sierra Sports”

Arroyo Parktest

TW-34

TW–114

TW-89

TW–59Town of Taos

Well #4“Jack Denver”

BIA-5

TW–99Town Yard Well

TW-92

TW-57

TW-56

TW-46

TW-49

TW-81

TW-80

TW-31 TW-33

TW-43

TW-44

TW-48TW-32

TW-82

TW-50

TW-52TW-37

TW-6

TW-54

TW-11

TW-13

TW-25

TW–115

TW–105

TW–17

TW–5

TW-71

TW-84TW-83

TW-96

TW-88

TW-87

TW-102

TW-98

TW-85

TW-100

TW-70

TW-4

TW-55TW-74

TW-79

TW–75

TW–14

TW–72

TW–111Taos Country

Club well

TW–109UNM-1 well

TW-94

TW–106

TW–67

TW–1

TW–110

TW-93

(Tp@60')

TW-78

TW-40

TW-7Abraham

WellTW-73

TW-26TW-66

TW-47

TW-101

TW-41

TW-28

TW–104

TW-77

TW–65

TW–107

6610/6270

6980/6528

7110/7040ss

7020/6945sh

7030/6751sh

6955/6773ss

6970/6910

6970/6911

6945/69156985/6805

ss

6990/6985sh

7025/6940sh

6985/6935ss,sh

6995/6970

7015/6930ls

7070/6970ss

6987/6817ss

7035/6995sh

7100/7060sh

7050/6925

7013/6920

6935/6883s

7110/6825

7093/6957

6970/6620g,cl to 320

7060/7010

6835/6795

6855/6751sgr

6895/6855sg

6920/6875gr,cl

6875/6825

6905/6843

6970/6840

6985/6935

6860/6800sg

6880/6808sg

6875/6830

6930/6830s,cl,gr

6890/6840

6825/6805

6850/6700

6968/6915

7000/6875

7115/7020

7000/69406970/6940

7078/6900s,gr–art

6810/6793–6610

7040/6720

7095/7065

7052/6972

7075

7045dry/6715

7115/ 6865+

6820/6810

7198/7095

7235/6845

6845/6765

6909/6898tgr

6915/6885cl,s,gr

6845/6765cl,s

6970/6948–6875

6961/6821s,gr

w/cl, artesian

6870/?

6860/6749sgr

6886/6843/6753gr+s s,cl

6805/6868

6890/6742scl, congl

6885

6919/6775s,g–cl

6683/6626

6680/5898

o s

C o r d o v a s F a u l t s

A'

To

wn

Y

ar

d

fa

ul

t

Base from U.S. Geological Survey 7.5-minute quadranglesTaos (1964), Ranchos de Taos (1964).

TRU

E N

ORT

H

APPROXIMATE MEANDECLINATION, 1996

MA

GN

ETIC

NO

RTH

10°

1 0.5 0 1 MILE

1000 0 1000 2000 3000 4000 5000 6000 7000 FEET

1 0.5 0 1 KILOMETER

NATIONAL GEODETIC VERTICAL DATUM OF 1929CONTOUR INTERVAL 40 FEET

SCALE 1:24,000

?

?

?

?

?

?

Explanation of Map Symbols

30

80

l l l l l l l l l l l l l l l

50

• • • •

A

75

60

5040

U

D

30

Exposed contact

Approximate or inferred contact

Concealed contact

Fault with topographic expression—Barbs show facingdirection of scarp; dashed where approx. located orinferred

Fault—Movement unknown; tick shows dip if knownBuried fault; location inferred from geophysicsFault inferred from air photography

Normal or reverse fault—Solid where exposed, dash-where approximately located or inferred, dotted whereconcealed; bar and ball on downthrown side; tickshows dip

Strike-slip fault—Tick shows dip

Slickenlines on fault

Breccia or gouge zones

Mesoscopic fault showing separation

Trace of axial plane of anticline, with fold plunge,dashed where approximate or inferred, dotted whereconcealed

Trace of axial plane of syncline, with fold plunge,dashed where approximate or inferred, dotted whereconcealed

Strike and dip of bedding, vertical bedding

Strike and dip of bedding or overturned bedding wherestratigraphic tops are known from primary features

Dominant tectonic foliation or gneissic foliation, ifchronology of fabric elements is unknown

S1 schistosity—S1 is commonly subparallel to S0 bedding

Joints

Direction of landslide movement

Subsurface limit of Servilleta Fm. basalts inferred fromboreholes

Zone of high transmississivity (from Spiegel and Couse,1969)

Sample location (e.g. for radiometric age)

Water table elevation contour for bedrock wells

Water table elevation contour for shallow (<6800ft)basin wells

Water well

Springs

Geologic mapping by P. Bauer and K. Kelson, 1996-1998Hydrogeology by P. Johnson, 1998

Digital cartography by M. Heynekamp and R. Titus, 1998-1999

0 mi

0 km

5 10

5 10 15

Normal fault—Bar and ball on downthrown side

Volcanic centers—Pleistocene to late Miocene

San Luis Basin of Rio Grande Rift.

Intermediate to granitic intrusive rocks—Miocene and Oligocene

Paleozoic Rocks

Mainly Precambrian rocks

TresPiedras

Questa

Taos

Rio

Gra

nd

e

CerroAzul

PicurisMts.

Embudo

fault

Sangre

deC

ris

to

fau

lt

Pic

uri

s-P

ec

os

fault

zon

e

Ti Ti

Ti

Geology ofthe

Taos Area,New Mexico

?

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