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 Kansas Geological Survey Open-file Report 2003-27 |
Southwest Kansas Stratigraphy
The St. Louis Formation comprises approximately 200 feet of the Mississippian section in the Hugoton Embayment. This formation thickens southward and is erosionally truncated across the Las Animas Arch and Central Kansas uplift. The St. Louis Formation consists of skeletal and oolitic limestone, peloidal limestone, dolomite and anhydrite. Oil are produced from three producing zones (A, B, C zone) formed of skeletal oolitic limestone.
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Last updated May 2003
http://www.kgs.ku.edu/PRS/publication/2003/ofr2003-27/P1-05.html