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Fayetteville Shale
From Wikipedia, the free encyclopedia
The Fayetteville Shale is a geologic formation of Mississippian age (354–323 million years ago) composed of tight shale within the Arkoma Basin of Arkansas and Oklahoma.[4][7] It is named for the city of Fayetteville, Arkansas, and requires hydraulic fracturing to release the natural gas contained within.
Quick Facts Type, Sub-units ...
Fayetteville Shale | |
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Stratigraphic range: Carboniferous: Mississippian (Serpukhovian)[1] | |
![]() Outcrop of the lower Fayetteville Shale in northern Arkansas | |
Type | Geological formation |
Sub-units | Wedington Sandstone Member |
Underlies | Pitkin Limestone,[2] Hale Formation[3] |
Overlies | Ruddell Shale, Batesville Sandstone[2] Moorefield Shale[3] |
Area | Arkansas and Oklahoma[4] |
Thickness | 50 to 500 feet (15 to 152 m) |
Lithology | |
Primary | Shale |
Other | Sandstone, limestone |
Location | |
Region | Arkansas |
Country | ![]() |
Extent | 50 miles (80 km) |
Type section | |
Named for | Fayetteville, Washington County, Arkansas |
Named by | Frederick Willard Simonds[5][6] |
![]() The Fayetteville formation runs widespread across Arkansas |
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