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The AAPG/Datapages Combined Publications Database

West Texas Geological Society

Abstract


West Texas Geological Society Bulletin
Vol. 24 (1985), No. 6. (February), Pages 5-10

Late Permian Volcanic Ash Beds in the Quartermaster-Dewey Lake Formations, Texas Panhandle1

Michael A. Fracasso, Allan Kolker

Abstract

The age of the Quartermaster and Dewey Lake Formations of the Permian Basin is problematic. Although they are generally considered Late Permian in age, the possibility of an early-to-middle Triasic age has also been raised. The discovery of volcanic ash beds in the Quartermaster and Dewey Lake Formations of the Palo Duro Basin, isotopically dated as Late Permian, contributes to the resolution of this ambiguity.


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