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The AAPG/Datapages Combined Publications Database

GCAGS Transactions

Abstract


Gulf Coast Association of Geological Societies Transactions
Vol. 25 (1975), Pages 217-229

The Subsurface Jurassic Bay Springs Sand

W. Lester Aultman (1)

ABSTRACT

The subsurface Jurassic Bay Springs Sand has proven to be a significant reservoir with the discovery of hydrocarbons in Shongelo Creek and Tallahala Creek Fields in Smith County, Mississippi, and the Bay Springs and Waldrup Fields in Jasper County, Mississippi.

The Bay Springs Sand is a facies of the Cotton Valley Group and has as its equivalents the Cotton Valley massive Pink Sandstone facies updip and the Haynesville clastics, evaporites, and carbonates downdip. The Bay Springs Sand occurs along the downdip terminus of the regressive massive Pink Sandstone facies but is, in itself, the result of local transgressive conditions.

The sand occurs along a salt feature trend from southeastern Jasper County to southwestern Scott County, Mississippi. The thickness varies from 0 to 500 feet in the study area.

The genesis of the sand is either of delta destructional nature or a coastal dune and strandline development.


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