Earth:Nicely Formation
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Revision as of 12:56, 29 August 2022 by imported>Nautica (simplify)
| Nicely Formation Stratigraphic range: late Pliensbachian ~186–183 Ma | |
|---|---|
| Type | Formation |
| Lithology | |
| Primary | Mudstone, limestone |
| Other | Shale, siltstone |
| Location | |
| Coordinates | [ ⚑ ] : 44°06′N 119°24′W / 44.1°N 119.4°W |
| Paleocoordinates | [ ⚑ ] 28°24′N 56°06′W / 28.4°N 56.1°W |
| Region | Crook, Grant & Harney Counties, Oregon |
| Country |  United States |
| Extent | Snake River Basin |
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The Nicely Formation is a geologic formation in the Crook, Grant, and Harney Counties in Oregon. It preserves radiolaria and ichthyosaur fossils dating back to the Pliensbachian stage of the Early Jurassic period.[1]
Fossil content
Among others, the following fossils have been reported from the formation:[1]
See also
- List of fossiliferous stratigraphic units in Oregon
- Paleontology in Oregon
References
- ↑ 1.0 1.1 Nicely Formation at Fossilworks.org
- ↑ Orr & Katsura, 1985
Bibliography
- Orr, W. N., and K. T. Katsura. 1985. Oregon's oldest vertebrates [Ichthyosauria(Reptilia)]. Oregon Geology 47. 75–77.
- K. Y. Yeh. 1987. Taxonomic Studies of Lower Jurassic Radiolaria from East-Central Oregon. National Museum of Natural Science Special Publications 2:1-169
- E. A. Pessagno, Jr. and P.A. Whalen. 1982. Lower and Middle Jurassic Radiolaria (multicyrtid Nassellariina) from California, east-central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology 28(2):111-169
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