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The AAPG/Datapages Combined Publications Database

West Texas Geological Society

Abstract


PERMIAN EXPLORATION, BOUNDARIES, AND STRATIGRAPHY, WTGS & PBS-SEPM, 1975
Pages 22-42

New Observations on the Stratigraphy of Key Permian Sections of West Texas

John M. Cys

Abstract

Key outcrop areas to an understanding of Permian stratigraphy of the Permian basin are the Eastern shelf, Guadalupe Mountains, Hueco Mountains, Apache Mountains, Sierra Diablo, and Glass Mountains. The basic stratigraphic framework for all these locations was established in the 1920’s and 30’s. Subsequent work has resulted primarily in a more detailed subdivision of the rock units, and some changes in age assignment.

Problems in the Permian still remaining are correlation between outcrop areas, shelf to basin correlation, and the position of the Permian chronostratigraphic boundaries. These problems are reviewed in the paper, and new evidence and suggestions are put forward concerning shelf to basin correlations of the Capitan Formation in the Guadalupe Mountains, the stratigraphic position and extent of the Powwow in the Hueco Mountains, and the Wolfcampian-Leonardian Series boundary in the Hueco Mountains.


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