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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
Abstract
AAPG Bulletin, V.
2006. The American Association of Petroleum Geologists. All rights reserved.
DOI:10.1306/06020605197
Fracture and fault patterns associated with basement-cored anticlines: The example of Teapot Dome, Wyoming
Scott P. Cooper,1 Laurel B. Goodwin,2 John C. Lorenz3
1Geophysical Technology Department, Sandia National Laboratories, P.O. Box 5800 MS 0750, Albuquerque, New Mexico 87185; [email protected]
2Department of Geology and Geophysics, University of Wisconsin–Madison, 1215 W. Dayton St., Madison, Wisconsin 53706; [email protected]
3Geophysical Technology Department, Sandia National Laboratories, P.O. Box 5800 MS 0750, Albuquerque, New Mexico 87185; [email protected]
ABSTRACT
Teapot Dome is an asymmetric, doubly plunging, basement-cored, Laramide-age anticline. Most of the fractures, deformation bands, and faults at Teapot Dome are interpreted to have formed during contemporaneous longitudinal and transverse stretching of the sedimentary cover over a basement-involved thrust. Strain was accommodated by fractures, deformation bands, and normal and normal-oblique faults that strike both parallel and perpendicular to the fold hinge. The fracture and fault patterns at Teapot Dome are distinctly different from those formed within anticlines associated with thin-skinned thrust systems. The inferred fracture-influenced permeability anisotropy of thick-skinned systems is therefore distinct from that of thin-skinned systems. We propose that Teapot Dome is a good analog for similar basement-involved, thrust-generated anticlines.
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