Orr Formation

Orr Formation
Stratigraphic range: Cambrian
Stromatolitic limestone (Big Horse Limestone Member; Utah)
TypeGeological formation
Sub-unitsBig Horse Limestone Member
Thickness1,825 feet[1]
Location
RegionUtah
CountryUnited States
ExtentHouse Range
Type section
Named forOrr Ridge
Named byCharles D. Walcott[1]
Year defined1910[1]

The Orr Formation is a geologic formation in Utah. It preserves fossils dating back to the Cambrian period.[1]

See also

References

  1. ^ a b c d Walcott, Charles D. (1910). "Nomenclature of some cambrian cordilleran formations". Smithsonian Miscellaneous Collections. 53 (1): 1–12.



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