--> Abstract: Lowstand Deflation Origin of Mississippian Carbonate Eolianites of Southwestern Kansas, by F. E. Abegg and C. Robertson Handford; #90937 (1998).

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Abstract: Lowstand Deflation Origin of Mississippian Carbonate Eolianites of Southwestern Kansas

ABEGG, F. E., Chevron USA Production Company; C. ROBERTSON HANDFORD, Bureau of Economic Geology

SUMMARY

Upper Mississippian carbonate eolianites in southwestern Kansas formed by deflation of underlying subaerially exposed carbonates. Subaerial exposure and deflation resulted from a relative sea-level fall, as indicated by an abrupt basinward shift of lithofacies at the base of the eolianites. Deposition of reworked carbonates may also have occurred during relative sea-level fall and into the next rise. Well-developed calcretes and locally increased detrital quartz at the top of eolianites may be more consistent with a lowstand origin than a transgressive origin.

AAPG Search and Discovery Article #90937©1998 AAPG Annual Convention and Exhibition, Salt Lake City, Utah