Viola Formation

Last updated
Viola Formation
Stratigraphic range: Ordovician
Leptograptus fossil graptolites (Viola Formation, Ordovician; Murray County, Oklahoma, USA) (17391415055).jpg
Fossils from the Viola Formation
Type Formation
Location
Region Oklahoma
Country United States
Type section
Named forViola, Johnston County, Oklahoma
Named byJoseph A. Taff, 1902 [1]

The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.

See also

References

  1. ↑ Taff, Joseph A. (1902). "Atoka Folio, Indian Territory" (PDF). U. S. Geological Survey Geologic Atlas of the United States. 79: 3. Retrieved 6 August 2018.


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