˛
Qfu
Qfu
˛
Qfy
Qfy
Qm
Qfy
Qfy
Qfy
Qfu
Qfu
Qal
dovas
Geology
of
Zone the
Qfy
Qm
Qfy
Qfy
Qm
Qal
Qtu
Qtu
Qfu
Qfy
˛
Qc/˛
N
Ba
?
o
lt
u
Qfu
Qfy
lt
te
a
Qfu
sa
sa
Qal
Qc/˛
Qm
Ba
Taos Area,
New Mexico
Qfu
Pl
a
Qfy
Town of Taos Well #6
“Howell”
Qfy
Qfu
Qfu
Ta
os
Qfy
Qfu
Qfu
Qal
Qfu
Qal
Town of Taos Well #7
“Mitchell”
Qfu
˛
Qfy
?
Qfu
Explanation of Map Symbols
?
Town of Taos Wells #3 & #8
“Post Office”
Exposed contact
Taos
Qal
Qt4
?
Qfy
?
6886/6843/6753
gr+s s,cl
?
TW-71
Qfu
6835/6795
E
TW-74
65-155
6970/6840
89-304
7060/7010
TW-96
69
6850/6700
Qal
Qfy
02/296
Qfy
Qt
Qfu
Qal
Qal
zo
10/342
San Luis Basin of Rio Grande Rift.
Qty
Qal
Tp
80-228
Qf2
Tpu
Tpu
7235/
6845
Qty
Qfy
70-310
Mu
˛m
46
42
82
27
35
54
Xm
Qtg
Qtg
Xm
Xm
Tpu
Qfy
59
78
76
80
70
44
38
54
24
17
70
41
34
34
87
75
g
n
a
ou
nt
a
M
to
ris
de
re
ng
38-125 09
80
81
35-100
08-013
28
60075
10
89-070
35-112
15-000
12-110
47-060
35
54
56
77
24
68
80
36
79
41
12-090
25-180
50
32
20
80
68
30
74
38
85- 81
340
35
78
80
59
70
04
46
Mu?
Qty
˛a
29
86
69
04
38
53
59
Qfy
Q/Tpu
25
28
50-084
48
5
38
65
76
89
65
del
Rdt-4
Rhyolite Clast
28 Ma
Ar/Ar
70
48
38
56
Tpu
44
20
15
80
08
28
350
de
Qfy
Qtg
28
an
Qtg
35
36
85
12-054
64-000
50
88
30
y
Tplq
Qfy
S
60
17
22
25
ffe
Qal
Tpu
85
Gr
Rdt-5
Ash
28 Ma
Ar/Ar
Qfy
24
16
74
7000 FEET
0.5
0
1 KILOMETER
APPROXIMATE MEAN
DECLINATION, 1996
105°37'30"
58
82
58
6000
05
26
07
15
76
88-190
5000
16
41
15/270
4000
24
52
C'
75
75
Qfy
Qal
Qc
Xa
D'
64
64
78
20-340
Qc
45-190
50-206
3000
Base from U.S. Geological Survey 7.5-minute quadrangles
Taos (1964), Ranchos de Taos (1964).
51
18
70
Qc
Qf3
84
Qfy
˛a
2000
NATIONAL GEODETIC VERTICAL DATUM OF 1929
˛
44
Q/Tpu
Qty
70
26
1000
CONTOUR INTERVAL 40 FEET
34
46
75
Ga
Qfy
Qf2
Xp
1
13
85-140
65
0
64
59-220
62-260
79
47-060
1000
59-264
29
65
20/030
32-000
45286 Tplc
55-019
70-204
Qc
70-236
65-240
30-070
61
57-080
43-070
70-070
Qty
Qtg
Tpu
Tpl
6165-056 Qc
050
52-334 52-070
64
01
09-206
Qf3
56
02/162
13-345
zone
Md
31/
Tpl
064
30-320
1 MILE
88110
Ql
84
89-116
Qf2
75-040
06/260
70310
Qfy
85-290
Tplq
Qal
30-338
66
TW-26
6845/
6765
55
37-324
38-324
Qf2
Tpu
17
TW-66
Qf1
87-034
Mc
Qfy
02/
171
14
Tp
26-306
32-300
25270
20 75080
15
Tpu
Xm
42345
TW-73
05/295 70-070
77-025
04/
308
73010
7198/7095
Qf3
10/020
20-245
60200
37-320
15-120
Qf3
0
82-290
80
28330
30-300
55-190
7095/
7065
64-048
67-308
Qty
Qf0
70-150
55
Qc/Tp
Tpu
6820/6810
Tp
Qty
15-330
Qf3
Qf3
75
Qty
Qfy
TW–65
Tplq
30-280
Qc
60-326
7040/
Qf3
0.5
15-065
o
de
25-310
Qf0
45-284
Qty
55-050
55-000
Qf2
26-330
SCALE 1:24,000
1
55-260
15
TW-93
TW–67 6720
Tp
˛ss
28-258
Ri
Tpu
Qfy
Qal
80-160
Qfy
Qc
Qf2
34-094
50-270
Qal
Tpl
57-002
Mt
13280
45-000
30-270
35-100
(Tp@60')
Qfy
45-005
50-090
75104
?
Qfy
Qf2
Tpu
62-310
65-280
Qtg
e
67-250
Qc/Tp
Qf3
Qal
60310
80-320
Qty
Qfy
˛ss
45/134
02/194
?
Qal
Mainly Precambrian
rocks
Q/Tpu
22/180
40-325
Tplq
7200
Qfy
50
Tpu
Tplq
Qf1
l tQty
2
3
Qf2
Paleozoic Rocks
Qal
?
69
700000
Qal
au
o f
d
u
b Qf ?
EQfm
Qty
ne
42
Qty
Qc
14-258
TW-40
84
40/264
7052/6972
Qf2
7115/ 6865+
Tpu
TW–110
Qfy
Tpl
75-104
U
D
7115/7020
Qf3
Tp Qf1
Qfy
Tpu
6970/ 7000/6940
6940
Qfy
85-173
20/254
55-102
Qc
Qty
TW-77
˛
TW–
106
Tplq
Qf2
03/
350
80080
10°
Qty
Qal
IntermediateQfto2 granitic intrusive
rocks—Miocene and Oligocene
Volcanic centers—Pleistocene to late Miocene
Qf3
85349
Qf2
fault—Bar and ball on downthrown side
18/280 75
TW-78
6810/6793–6610
75-104
76-104
10-244
21
20
35-105
15
65-080
28
Md
21
08
O RT H
Qal
7075
25-286
85-095
44/270
Tp
70-092
ETIC N
Qf2
TW–1
Tp
TW–
7045
11-270
75096
11-240
Qf2
dry/6715 107
Tp
Qf2
Tp
Tpu
Tpu
Tpu
7078/6900
s,gr–art
Tpu
Qal
Tpu
˛ls
25-325
TRUE NORTH
Qty
Qty
?
Cri s
Qf2
Tp
Tplq
Qty
Qf1
0
70-100
MAGN
0
69
Qfy
20-004
18-310
25-280
Sa
de
Qal
21-260
15-210
84-890
e
lt zon
ur i s
P ic t s .
M
24-300
TW-101
Rdt-8
White Ash
34.6 Ma
Ar/Arr
79-088
Qfy
Qal
Qal
30-334
30-300
˛
Qc
Qal
on
18-300
Ca
fault
to
Cri s
Qt 4
Qty
39-290
09-276
Qf1
Qf2
80/290
f
75-116
19-290
Qfu
TW-41
i
ct
16-000
Qc
7000/6875
70-270
67-095
75-320
20-274
Qty
Qty
50/205
Qfy
TW-94
fa u
Picuris-Pecos
f
t
se
˛cong.
80
˛
6961/6821
s,gr
w/cl, artesian
Qal
Qf2
15-270 75110
55-015
04-190
Qfu
Tpu
l
au
16- 08-146
250
Qfu?
Qfu
Qf2
08/303
88-300
02-030
n
nd e
Gra
Sa
Cerro
Azul
Normal
Qf
2
6845/6765
cl,s
86-196
20-320
Qfu
Qfy
Qf2
Qal
TW–104
Qt 2
e
o
Qfu
af
6968/
6915
35-346
13-076
Qfy
6915/6885
cl,s,gr
44-340
˛
40-344
TW-28
87-290
18-358
12-022
Qty
r
ng
6890/
6840
17-342
Qfy
6909/6898
tgr
TW–72
Study
Area
Em
TW–14
C
Qt 2
06-232
10-160
˛lst
25-296
Qfy
Qfu
Qal
Taos
bu
?
D
Qf2
Qf2
˛
70-330
Qfu
Qc
Qal
do
Qty
Qfy
Qfy
A
Ti
Qfu
TW-79
Qfu
65-025
19-130
27-300
Qt
Spiegel and Couse (1969)
Rio
Qal
6680/5898
30-335
˛
12-384
83-320
80-330
Qf2
73-116
in
s
Qfu
Qal
Qty
TW–109
UNM-1 well
Cr
47-300
Qt4
Ti
Qal
Qal
30-004
˛
6825/6805
Ti
˛
?
Qal
00
Qfu
Qfu
Qal
Tres
Piedras
20-064
de
TW-102
TW–75
15 km
Qfu
33-290
10 mi
10
20-120
Qc/Qfy
Qfu
ño
5
Qfu
82-082
TW-4
6930/6830
s,cl,gr
TW–5
Qfu
87-208
70-090
6875/6830
Qfy
Qfy
62/044
82-180
to
?
10-036
85-285
is
Qfu
TW-100
E'
25-225
60180
68-144
6985/
6935
TW-88
6895/6855
sg
Qfu
82-056
˛ss
38-210
Questa
to
TW-55
Qfy
78-134
23/324
Qfu?
TW-98
TW-70
Qfu
20-140
˛ss
10-180
TW-85
TW-83
Qfu?
15-359
6970/6620
g,cl to 320
TW-87
6880/6808
sg
08-040
10/047
Qfu
6905/6843
Qal
Qfu?
6875/6825
?
?
Qfu
Qfu
fault
27-070
27-300
20180
C
5
50-306
˛ss
20
TW-54
TW-13
Qfu
0
Qf1
Qc Xa
26-146
˛
6970/6948–6875
Qal
6683/6626
Qal
˛
86-270
Qal
Qal
Qfu
Qfy
Qfy
85-094
7110/6825
Qfu
Qal
Geologic mapping by P. Bauer and K. Kelson, 1996-1998
Hydrogeology by P. Johnson, 1998
Digital cartography by M. Heynekamp
R. Titus, 1998-1999
Qty andQal
Qf2
TW-25
TW-11
TW–17
B
˛
Qfu
Qfu
6860/6749
sgr
Spiegel and Couse
(1969)
TW–111
Taos Country
Club well
Qtu
85
89-324
Qty
Qal
10-040
Qfu
Qty
re
Qf2
fault
Qtu
Qfu
6920/6875
gr,cl
Qt 2
20/056
zone
To
w n
Qfy
17300
00
85-280
25-080
15-040
Qtu
Qtu
Qfy
69
7100
6935/6883
s
Qal
04-010
60-204
TW-57
Qal
Water well
Qty
gr
17-072
TW-84
Springs
6610/6270
Qfy
6860/6800 6855/6751
sgr
sg
Qty
TW-7
Abraham
Well
U
lt
N
s
89-096
Qfu
Qfu
6870/?
10-020
82-197
D
fau
Water table elevation contour for shallow (<6800ft)
basin wells
a
oB
TW–115
7100/7060
sh
70-260
20-105
Qfu
TW–105
alt
7035/6995
sh
D U
40/230 55
55/262
TW-6
0
˛
TW-50
U
58-070
88230
7013/6920
?
Qt 2
0
0
Qfy
Qal
?
685
Qal
Water table elevation contour for bedrock wells
Qal
89-270
D
TW-92
Qal
alt
7070/6970
ss
TW-48
49-290
45-344
7093/6957
s
Ba
TW-37
7050/6925
?
Qfy
Qal
Sample location (e.g. for radiometric age)
7015/6930
ls
33-060
Qal
Qt4
Qal
TW-32
D
U
30050
Zone of high transmississivity (from Spiegel and Couse,
1969)
A
TW-43
73-330
35/
255
Qfu
Qfu
60/240
Qal
Qal
Los
Cordovas Taos quad
Subsurface limit of Servilleta Fm. basalts inferred from
Taos SW Ranchos
boreholes
de Taos quad
7110/7040
ss
?
Qt4
A'
D U
06-175
09/
190
TW-33
6985/
6995/6970
6935
ss,sh TW-82
6990/6985
TW-52
sh
6987/6817
10-050
ss
Qfy
Qfu
Direction of landslide movement
Qty
TW–99
Town Yard Well
Qfy
45-210
7020/6945
sh
TW-31
695
?
Qty
65-210
22-220
TW-56
TW-44
f a
u l
t
Qal
85-126
47-300
TW-49
89-270
6805/6868
Joints
Qal
Qfy
7025/6940
sh
S1 schistosity—S1 is commonly subparallel to S0 bedding
80
15-310
7030/6751
sh
6970/6911
Qfy
Ya
r d
75
43-304
TW-46
TW-81
6970/6910
TW-80
Qty
Qt4
Qt 2
Qt2
25-330
TW-47
Qty
Dominant tectonic foliation or gneissic foliation, if
chronology of fabric elements is unknown
60
20-001
6985/6805
ss
6955/6773
ss
Qfu
Spiegel and
Couse (1969)
Qal
TW-34
Qfy
Qfy
C
Qfy
Qt4
Strike and dip of bedding or overturned bedding where
stratigraphic tops are known from primary features
50
7000
?
Tb
Qt4
Qp1
Qfu
6945/6915
Strike and dip of bedding, vertical bedding
Qty
6980/6528
TW-89
Trace of axialQalplane of syncline, with fold plunge,
dashed where approximate or inferred, dotted where
concealed
Qal
30
Qty
40
Qfu
Qfy/Qty
Trace of axial plane of anticline, with fold plunge,
dashed where approximate or inferred, dotted where
concealed Tb
Tb
Qal
TW–114
Qal
Mesoscopic fault showing separation
Qfy
˛
Qfu
Qal
64/250
Qt4
os
Qt4
Tb
Qfu
Qfu
Qfy/Qty
TW–59
Town of Taos
Well #4
“Jack Denver”
Qty
Qp1
Breccia or gouge zones
do
Qp1
Qt4
Qfu
?
D
?
C
6950
s
a
v
or
U
Fa
Qfy
Slickenlines on fault
30
Tb
00
ts
l
u
Qfu
Qfy
Qty
50
1
Qfy
6890/6742
scl, congl
1
Qp
Strike-slip
fault—Tick shows dip
Qfu
Qfy
6885
68
U
af
6919/
6775
s,g–cl
Qfu
Qfu
Qfy
69
Qp1
Normal or reverse fault—Solid where exposed, dashArroyo Park
where approximately located or inferred, dotted where
test
U
concealed; bar and ball on downthrown
side; tick
D
Qp
shows dip
BIA-5
Qfu
TW–60
Town of Taos
Well #5
“Sierra Sports”
Qty
Fault—Movement unknown; tick shows dip if known
Buried fault; location inferred from geophysics
Fault inferred from air photography
Qfu
Qfu
Qt 2
?
50
D
D U
Fault with topographic expression—Barbs show facing
direction of scarp; dashed where approx. locatedQalor
inferred
••••
Qfu
Town of Taos #1
“Pump House”
Concealed contact
lll
Qfu
Qfy
Town of Taos Well #2
“City Well”
Approximate or inferred contact
llllllllllll
Qtu