Bloyd Formation
The Bloyd Formation, or Bloyd Shale, is a geologic formation in Arkansas. It preserves fossils dating back to the Carboniferous period.
| Bloyd Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
Fossil from the Bloyd Formation | |
| Type | Formation |
| Sub-units | Baldwin coal, Brentwood Member, Dye Shale Member, Kessler Limestone Member, Parthenon Sandstone Member, and Woolsey Member |
| Underlies | Atoka Formation |
| Overlies | Hale Formation |
| Lithology | |
| Primary | Shale |
| Other | Sandstone, limestone |
| Location | |
| Region | Arkansas |
| Country | United States |
| Type section | |
| Named for | Bloyd Mountain, Washington County, Arkansas |
| Named by | Albert Homer Purdue |
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