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Corn, Washita Co., Oklahoma, USA

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Latitude & Longitude (WGS84): 35° 22' 41'' North , 98° 46' 55'' West
Latitude & Longitude (decimal): 35.37811,-98.78202
GeoHash:G#: 9y3c20mhk
Köppen climate type:Cfa : Humid subtropical climate


Mortheast of Corn


Mineral List


3 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Permian
252.17 - 298.9 Ma



ID: 2746816
Cloud Chief Formation

Age: Permian (252.17 - 298.9 Ma)

Stratigraphic Name: Cloud Chief Formation

Description: WOODWARD- Red-brown and greenish-gray shale and siltstone with some orange-brown fine-grained sandstone and siltstone. At base are two or more thin, pink to maroon to greenish-gray dolomite beds and (or) gypsum beds ("Moccasin Creek Bed") eroding into a mappable escarpment. About 25 feet above the base is a white to light-gray dolomite ("Day Creek Bed") not mapped. Thickness ranges up to 160 feet, with top eroded in many places. CLINTON- Reddish-brown to orange-brown shale, interbedded with siltstone and sandstone in the middle part and some dolomite and much gypsum in lower part; thickness about 400 feet, thinning northward to about 175 feet. The "Moccasin Creek Gypsum Member" is at the base. LAWTON- Represented in this area by the "Moccasin Creek Gypsum Member," which is about 30 feet (9 m) thick.

Comments: Named for town of Cloud Chief in eastern Washita Co, OK in Anadarko basin, near which unit is "typically exposed" (Gould, 1924) Consists of ledges of massive gypsums imbedded in red shales. The gypsums vary a lot, both in number and thickness. Maximum development of the gypsums is along axis of Anadarko basin in eastern Washita Co, where 100-ft beds occur.

Lithology: Major:{shale,siltstone,sandstone}, Minor:{dolostone,gypsum}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleozoic
252.17 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Paleozoic (252.17 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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