UO 2204-2, Coyote Butte, Grindstone-Twelvemile Creek area: Kungurian, Oregon
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Strophomenata
- Productida
- Productellidae
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| see common names |
| Country: | United States |
State/province: | Oregon |
County: | Crook |
| Coordinates: |
43.9° North, 119.9° West (view map) |
| Paleocoordinates: | 18.0° North, 38.2° West (Wright 2013) |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
| Period: | Permian |
Epoch: | Cisuralian |
| Stage: | Kungurian |
10 m.y. bin: | Permian 2 |
| Key time interval: | Kungurian |
| Age range of interval: | 283.3 - 274.4 m.y. ago |
| Formation: | Coyote Butte |
| Stratigraphic resolution: | group of beds |
| Stratigraphy comments: Mesogondolella idahoensis and N. pequopensis suggest Kungurian age (Wardlaw et al., 1982) |
| Primary lithology: | "limestone" |
| Secondary lithology: | sandstone |
| Lithology description: Sandstone beds are widespread but poorly exposed in the Coyote Butte Formation, limestone lenses are olive-grey, crinoidal fusulinid limestones in lower part of formation; Purer, finer-grained, deep-olive in colour and better bedded in the upper part with rarer fusulinids and common brachiopods. |
| Environment: | marine indet. |
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Database number: | 40976 |
| Authorizer: | D. Bottjer |
Enterer: | M. Clapham |
| Modifier: | M. Clapham |
Research group: | marine invertebrate |
| Created: | 2004-07-04 17:39:39 |
Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public |
Released: | 2004-07-04 17:39:39 |
| Creative Commons license: | CC0 |
| 11041. | | G. A. Cooper. 1957. Permian brachiopods from central Oregon. Smithsonian Miscellaneous Contributions 134(12):1-79 [D. Bottjer/M. Clapham/M. Clapham] |