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Permian Facies Sequences and Evaporite Depositional Styles, Texas Panhandle

By
C. Robertson Handford
C. Robertson Handford
Amoco Production Company, P. O. Box 591, Tulsa, Oklahoma 74102
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Randy L. Bassett
Randy L. Bassett
Bureau of Economic Geology, University of Texas at Austin, Austin, Texas 78714
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Published:
January 01, 1982

Abstract

Permian evaporites, red beds, and carbonates form a thick stratigraphic mosaic of cyclic regressive facies across the Texas Panhandle. Facies record deposition in inner shelf, sabkha, salt pan, saline mud flat, and desert alluvial-eolian environments. Two fundamental styles of evaporite deposition developed and created mud-rich and mud-poor sabkha systems. Extensive, shallow salt pans were typical of mud-poor systems, whereas smaller, less permanent salt pans and wide saline mud flats were characteristic of mud-rich systems. Genetic cycles show that mud-rich facies prograded southward over mud-poor facies and provided terrigenous sediments to shelf-edge and deep marine environments in the Midland Basin.

Numerous Holocene evaporite settings show resemblances to Permian evaporite systems. Comparisons are often striking and, taken as a whole, these modern settings are useful tools for interpreting sedimentary processes and environments in ancient evaporite sequences.

The distribution of clay minerals is environmentally sensitive. Both provenance and sediment-brine interactions were likely causes leading to observed distribution patterns of clay minerals.

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Contents

SEPM Core Workshop Notes

Depositional and Diagenetic Spectra of Evaporites - A Core Workshop

C. Robertson Handford
C. Robertson Handford
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Robert G. Loucks
Robert G. Loucks
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Graham R. Davies
Graham R. Davies
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SEPM Society for Sedimentary Geology
Volume
3
ISBN electronic:
9781565762589
Publication date:
January 01, 1982

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