Viola Formation
The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
| Viola Formation Stratigraphic range: Ordovician | |
|---|---|
| Type | Formation |
| Location | |
| Region | Oklahoma |
| Country | United States |
| Type section | |
| Named for | Viola, Johnston County, Oklahoma |
| Named by | Joseph A. Taff, 1902[1] |
References
- 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.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.