Lineations and faults in the Texas Coastal Zone
Book
·
OSTI ID:7289154
Over 7000 miles of lineations have been observed on aerial photographic mosaics of the Texas Coastal Zone. These lineations, in part, represent the surface traces of faults originating in the Tertiary sediments and propagating through the Quaternary sediments. The extrapolation of subsurface faults from specific oil and gas reservoirs are commonly coincident to lineations in those areas. Some extrapolated fault traces weave back and forth across lineations for 10 to 20 miles and then coincide with another lineation and follow it for 20 miles. They also may partially represent fracture-joint systems within the sedimentary deposits of the Gulf basin. Land subsidence and fault activation can be expected in areas of the Texas Coastal Zone other than the Houston-Galveston area if in these areas there is extensive ground-water withdrawal from shallow (less than 3000 ft) fresh-water artesian aquifers. In these areas surface faulting and/or differential subsidence would be expected to occur in part within the zones defined by the lineations.
- OSTI ID:
- 7289154
- Report Number(s):
- NP-22435
- Country of Publication:
- United States
- Language:
- English
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