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The AAPG/Datapages Combined Publications Database

Oklahoma City Geological Society

Abstract


The Shale Shaker Digest XII, Volumes XXXVI-XXXIX (1985-1989)
Pages 182-186

Paleogeographic Inferences from Suite Statistics: Late Pennsylvanian and Early Permian Strata in Central Oklahoma

William F. Tanner

ABSTRACT

'Suite statistics" methodology is based on the premise that variability from one sample to another within a single depositional sand body, is at least as important in identifying the environment of deposition as is the study of individual samples. Experience on thousands of samples from various modern sands shows that the suite statistics procedure is almost always superior to single sample analysis.

The new procedure was applied to a sequence of late Pennsylvanian and Permian strata in Cleveland, Pottawatomie and Seminole counties, Okla. Environments of deposition for the collecting areas are well known from fossile evidence and facies analysis.

Results from the suite statistics approach are in agreement with the earlier results: a closed basin (e.g., interior seaway), a beach or coastal setting, and clearly a river influence. As time passed, river influence spread northward. However, no unequivocal river-channel sands were identified in the course of the study.

The agreement of the new data with the earlier interpretation is taken to increase our confidence that this method, based on modern sediments, can be applied with considerable assurance to ancient sandstones.


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