Moorefield Formation
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| Moorefield Formation | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Formation |
| Sub-units | Ruddell Shale |
| Underlies | Batesville Formation |
| Overlies | Boone Formation |
| Thickness | up to 300 feet[1] |
| Lithology | |
| Primary | Shale |
| Other | Limestone |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Moorefield, Independence County, Arkansas |
| Named by | George Irving Adams and Edward Oscar Ulrich[2] |
The Moorefield Formation, or Moorefield Shale, is a geologic formation in northern Arkansas and eastern Oklahoma that dates to the Meramecian Series of the middle Mississippian. In Arkansas, this formation is generally recognized to have one member, the Ruddell Shale, in the upper Moorefield Formation.
Paleofauna
[edit | edit source]- A. alaskense[4]
- E. ornatus[4]
- G. welleri[4]
See also
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References
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Categories:
- Mississippian Oklahoma
- Mississippian Arkansas
- Carboniferous southern paleotropical deposits
- Shale formations of the United States
- Limestone formations of the United States
- Geologic formations of Arkansas
- Geologic formations of Oklahoma
- Southern United States geologic formation stubs
- Arkansas stubs
- Carboniferous stubs