Characterization of Mississippian Osage Chat in South-Central Kansas

Kansas Geological Survey
Open-file Report 2002-50

Paleogeographic map during Osage for portions of the Kansas shelf showing upper and lower shelves, shelf margin and basinal conditions. Modified from Lane and De Keyser (1980).

Map of pre-Pennsylvanian subcrop of Mississippian strata in Kansas with Mississippian gas fields (modified from Gerlach, 1998). Dotted lines labeled "A" and "B" are significant basement lineaments important to chat formation.

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Last updated January 2003