Langston Formation
The Langston Formation is a geologic formation in Idaho and Utah. It preserves fossils dating back to the Cambrian period. The formation is composed of bluish-gray limestone,[1] weathering to a buff color, often with rounded edges.[2]
| Langston Formation | |
|---|---|
| Stratigraphic range: Cambrian | |
 Fossils from the Langston Formation, Wellsville Mountains, Utah | |
| Type | Formation |
| Underlies | Ute Formation |
| Overlies | Brigham Formation |
| Thickness | 30 - 498' |
| Location | |
| Region | Idaho, Utah |
| Country | United States |
| Type section | |
| Named for | Langston Creek |
| Named by | Charles Doolittle Walcott |
Blacksmith Fork is the type locality, and includes more fossils than the Idaho sections.
The Langston Formation includes the fossilerous Spence Shale.
References
- Walcott, Charles. Nomenclature of Some Cambrian Cordilleran formations. Cambrian Geology and Paleontology, I. Smithsonian Miscellaneous Collections, 53:1–12, pg. 8
- Mansfield, George Rogers. Geography, Geology, and Mineral Resources of Part of Southeastern Idaho. U.S. Government Printing Office, 1927, p. 53.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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