Johns Valley Formation
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| Johns Valley Formation | |
|---|---|
| Stratigraphic range: Carboniferous: Pennsylvanian | |
| Type | Formation |
| Underlies | Atoka Formation |
| Overlies | Jackfork Sandstone |
| Lithology | |
| Primary | Shale |
| Other | Sandstone |
| Location | |
| Region | Arkansas and Oklahoma |
| Country | United States |
| Type section | |
| Named for | Johns Valley, Pushmataha County, Oklahoma [1] |
| Named by | Edward Oscar Ulrich, 1927 |
The Johns Valley Formation is a geologic formation in Arkansas and Oklahoma.[2] It preserves fossils dating back to the Carboniferous period.
Paleofauna
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See also
[edit | edit source]- List of fossiliferous stratigraphic units in Arkansas
- List of fossiliferous stratigraphic units in Oklahoma
- Paleontology in Arkansas
- Paleontology in Oklahoma
References
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Categories:
- Pennsylvanian Arkansas
- Pennsylvanian Oklahoma
- Carboniferous southern paleotropical deposits
- Shale formations of the United States
- Sandstone formations of the United States
- Geologic formations of Arkansas
- Geologic formations of Oklahoma
- United States geologic formation stubs
- Oklahoma geologic formation stubs