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The AAPG/Datapages Combined Publications Database

Bulletin of South Texas Geological Society

Abstract


South Texas Geological Society Bulletin
Vol. 42 (2002), No. 9. (May), Pages 19-22

Pennsylvanian Horst Block Bandera County, Texas

William Feathergail Wilson

Abstract

Recent water wells in the Tarpley area of south-central Bandera County, Texas have revealed shallow foreland Ellenburger tops beneath the Hosston Formation. These new wells, combined with earlier data, reveal a 5,100-foot horst block in the Tarpley area. The Ouachita Foldbelt was diverted around this high standing horst block. New outcrop data reveal basaltic intrusions associated with the bounding fault believed to be present about 4-miles east of Tarpley (Wilson). A Lower Cretaceous subcrop map and a 25-mile cross-section illustrate this new interpretation.


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