Figure 41--West-east electric-log cross section of area in southwestern Kansas where Stone Corral ("Cimarron anhydrite" of subsurface terminology) consists of two anhydrite beds separated by red silty shale. Datum is top of uppermost anhydrite bed. To west and east the formation has characteristic "kick" on logs and consists of one bed of anhydrite (from Merriam, 1957a).
Kansas Geological Survey, Geologic History of Kansas
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Web version Jan. 2009. Original publication date Dec. 1963.