Outcrop Stratigraphy and Depositional Facies of the Chase Group (Permian, Wolfcampian) in Kansas and Southeastern NebraskaS.J. Mazzullo, C.S. Teal, C.A. BurtnettTechnical Series 61997 210 pages, 91 figures, 155 measured sections |
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The stratigraphy of the Chase Group defines a hierarchal framework of third-order to progressively higher-frequency, fifth- or sixth-order cycles that document the combined effects of glacio-eustatic forcing, regional to local tectonism along the still-active Nemaha Ridge, and autogenic controls on deposition. Classic midcontinent cyclothems are represented by the fourth or fifth-order cycles in Chase Group strata.