The Mauzy Formation, a new stratigraphic unit of Permian age in western Kentucky

Kehn, Thomas M.; Beard, John G.; Williamson, Allan D.

doi:10.3133/ofr81790

Cited by 3 publications

(2 citation statements)

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“…1), for example the classic cyclothems of the Illinois basin (Collinson et al, 1988) and across cratonic basins and arches farther west (Bunker et al, 1988). A small area of Permian rocks (Mauzy Formation) is preserved in the southern part of the Illinois basin in western Kentucky (Kehn et al, 1982). These outcrops of Pennsylvanian and Permian strata offer opportunities to document the ages of detrital zircons along the inferred dispersal path from the Appalachians to the Grand Canyon.…”

Section: Pennsylvanian-permianmentioning

confidence: 99%

Detrital-zircon geochronology and sedimentary provenance

Thomas

2011

Lithosphere

227

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Section: Pennsylvanian-permianmentioning

confidence: 99%

Detrital-zircon geochronology and sedimentary provenance

Thomas

2011

Lithosphere

227

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“…4). This thick sequence is located just south of a graben that contains Permian rocks at the surface (Kehn, Beard, and Williamson, 1982;Williams and others, 1982) indicating an originally thicker sequence. The maximum preserved thickness of Pennsylvanian strata in Illinois is slightly more than 750 m (2500 ft).…”

Section: Stratigraphy and Environments Of Depositionmentioning

confidence: 92%

Structural and depositional history of the Pennsylvanian System in Illinois

Trask

Palmer²

1986

Geological Society of America Special Papers

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Structures active during the Pennsylvanian Period and paleoenvironments in whichPennsylvanian strata were formed strongly influenced the character and location of coal resources in the Illinois Basin. Sediment filling the basin probably originated in the Canadian Shield and perhaps the highlands of the northern Appalachians. Major river systems transported this sediment to the Illinois Basin, where it was deposited in fluvial and deltaic paleoenvironments on a broad coastal plain and adjacent shallow shelf. Loci of deposition were controlled by the La Salle Anticlinal Belt on the east and the Du Quoin Monocline and the Louden and Salem Anticlines on the west. These structures separated the deeper parts of the basin from the shallow shelf areas to the west and east.Periodic marine invasions interrupted fluvial and deltaic sedimentation. River systems were able to re-establish themselves following these inundations, which resulted in the creation of a series of elongate, sinuous sandstone/siltstone bodies. Some of these bodies were deposited contemporaneously with coal-forming swamps that occupied vast areas of this coastal plain. These rivers were the Pennsylvanian continuation of the Michigan River System, which carried terrestrial sediment from the Canadian Shield and perhaps the Appalachians to the Illinois Basin during the Mississippian Period. Further exploration will undoubtedly reveal additional peat-contemporaneous channelfill deposits.on July 18, 2015 specialpapers.gsapubs.org Downloaded from

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