Blaylock Sandstone
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| Blaylock Sandstone | |
|---|---|
| Stratigraphic range: Silurian | |
| Type | Formation |
| Unit of | none |
| Sub-units | none |
| Underlies | Missouri Mountain Shale |
| Overlies | Polk Creek Shale |
| Thickness | up to 1200 feet[1] |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Blaylock Mountain, Montgomery County, Arkansas |
| Named by | Albert Homer Purdue[2][3] |
The Blaylock Sandstone is a Silurian geologic formation in the Ouachita Mountains of Arkansas and Oklahoma. First described in 1892,[4] this unit was not named until 1909 by Albert Homer Purdue in his study of the Ouachita Mountains of Arkansas.[2][3] Purdue assigned the Blaylock Mountain in Montgomery County, Arkansas as the type locality, but did not designate a stratotype. As of 2017, a reference section for this unit has yet to be designated.
Paleofauna
[edit | edit source]- D. decussatus[5]
- G. perlatus[5]
See also
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References
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