Page 222 - Origin and Prediction of Abnormal Formation Pressures
P. 222
TECTONICS AND OVERPRESSURED FORMATIONS 197
q O
,~ - 2000
p,~% - 4ooo ,,~
I - 6000 ~,
- 8000 ~'~
- l 0,000
~
] 2,000
14,000 O
9 18,000 ~_
M,#
! 20,000
i ~ t 22,000
0 1 2 3 Miles
t~i a l J 24,000
Fig. 8-5. Strata thickening across growth faults, Rio Grande Embayment, Texas, U.S.A. (Modified after
Murray, 1961, in Fertl, 1976, fig. 1.18, p. 26.)
(a) (b] (c)
Deposition > Subsidence Deposition = Subsidence Deposition < Subsidence
Fig. 8-6. (a,b,c) Development of three types of contemporaneous fault systems. (Modified after Bruce, 1973,
in Fertl, 1976, fig. 1.19, p. 26. Courtesy of the American Association of Petroleum Geologists.)