dovas Geology of€¦ · Fault—Movement unknown; tick shows dip if known Buried fault; location...
Transcript of dovas Geology of€¦ · Fault—Movement unknown; tick shows dip if known Buried fault; location...
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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
54
5485
86
68
80
5659
74
59
8078
77
50
24
32
30
2417
44
4629
7678 38 04
3804
35
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
60-310 75-
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
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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
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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?
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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
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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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