Tcs
TKgp
Yo
Yo YoTKgp Yo
Tsk
Tcs
Tsk
Tcs
Tqc
Yo
Tsk
E'4000
3000
feet a bove s ea lev el
2000
1000
0
-1000
-2000
-3000
E
San Manuel faultSan Manuel ore body
Kalamazoo ore body
open pit
2440 m (8000 ft)
F-F'
met
ers
abov
e se
a le
vel
0
1000
-500
500
GEOLOGIC MAP OF THE MAMMOTH7 ½' QUADRANGLE, PINAL COUNTY, ARIZONA
Sheet 2
1 11
1 1 1 1 1 1 1 1 1
11 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Yo
Tqc
TcvTcv
Tcv
Yo
TcvTcvQTa
460
m
Cloudburst detachment fault
Trx
Tqc
Yo
Tqc
Trx
A'A4000
2000
1000
3000
feet ab ove se a level
Tcs
(includes units Yogd and Yoa, as well as dikes of aplite and diabase (Yd))San
Man
uel fa
ult
F-F'
500
1000
met
ers
abov
e se
a le
vel
(150
0 ft)
North of Oracle 7.5' Quadrangle
Mammoth 7.5' Quadrangle
1 1 1 1 1 1 1 1 11 11
1 1 1 1 1 1 1
1
1 1 1 1 1 1 1 1 1 1 1 1 1(includes units Yogd and Yoa, as well as
dikes of aplite and diabase (Yd))
Tv
Yg
Tv
1100 m (3
600 ft)
Cloudburst detachment fault
B
San Manuel fa
ult
TrxYo
TqcTqcTcsTcv
TcvTcv
Tcs
QTa fe et abo ve sea level
1000
2000
3000
4000
B'F-F'
met
ers
abov
e se
a le
vel
1000
500
Mammoth 7.5' Quadrangle
North of Oracle 7.5' Quadrangle
1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1Yo
ApacheGroup
Yo
Yo
Tcv
TcvTqcTcs
Tcs
Tcs
QTa
C'4000
3000
2000
1000
feet abo ve sea level
C
1320 m (4330 ft)
San Manuel fault
Cloudburst detachment fault
Cowhead Well fault F-F'
500
1000
met
ers
abov
e se
a le
vel
North of Oracle 7.5' Quadrangle
Mammoth 7.5' Quadrangle
1 1 1 1
1 1 1 1 11 1 1 1 1 1
1 1 1 1 1
11 1 1 1 1 1 1
1
Mammoth 7.5' Quadrangle
North of Oracle 7.5' Quadrangle
Yo
YoYoYo
YoTcv Yo
Tqc
TcsTcsTcs
D4000
3000
feet ab ove se a lev el
2000
1000
0
-1000
-2000
-3000
D'
Tcv
TcsF-F'
1860 m (6100 ft)
San Manuel fault
met
ers
abov
e se
a le
vel
1000
500
0
-500
Turtle fault intruded by rhyolite and rhyolite breccia
Black Canyon
fault
RedRockfault
Cloudburst detachment fault intruded by rhyolite and rhyolite breccia
Turtle fault
Cloudburst detachment fault
Tri
Tsk
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
TKgpTsk
Tcv
F'4000
3000
2000
1000
0
-1000
-2000
-3000
feet above sea le vel
FA-A' B-B'
Tarmine
(northwest)
Yo
C-C' D-D'
Turtle
fault
E-E' San Manuel fault
open pit
Cloudburst detachment
fault
(southeast)
1000
Yo
met
ers
abov
e se
a le
vel
0
-500
500
Tri
Porphyry copper mineralization
CROSS SECTIONS
Research supported by the U.S. Geological Survey, National Cooperative GeologicMapping Program, under assistance award number 07HQAG0110. Additional
funding for this project was provided by the Arizona Department of Water Resources.The views and conclusions contained in this document are those of the authors and
should not be interpreted as necessarily representing the official policies, eitherexpressed or implied, of the U.S. Government.
bySpencer, J.E., Gootee, B.F., Richard, S.M., and Cook, J.P.
Arizona Geological Survey Digital Geologic Map 67(DGM-67), version 1.0
Sheet 2 of 2
September 2009
Citation for this map:Spencer, J.E., Gootee, B.F., Richard, S.M., and Cook, J.P., 2009
Geologic map of the Mammoth 7½' Quadrangle, Pinal County,Arizona: Arizona Geological Survey Digital Geologic Map DGM-67,
scale 1:24,000.