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Bloyd Formation
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The Bloyd Formation, or Bloyd Shale, is a geologic formation in Arkansas. It preserves fossils dating back to the Carboniferous period.
Quick Facts Type, Sub-units ...
Bloyd Formation | |
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Stratigraphic range: Pennsylvanian | |
![]() Fossil from the Bloyd Formation | |
Type | Formation |
Sub-units | Baldwin coal,[1] Brentwood Member, Dye Shale Member, Kessler Limestone Member, Parthenon Sandstone Member,[2] and Woolsey Member[3] |
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[4] |
Named by | Albert Homer Purdue |
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