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 | |
---|---|
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.
Geology
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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". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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