Nicely Formation | |
---|---|
Stratigraphic range: late Pliensbachian ~ | |
Type | Formation |
Lithology | |
Primary | Mudstone, limestone |
Other | Shale, siltstone |
Location | |
Coordinates | 44°06′N 119°24′W / 44.1°N 119.4°W |
Approximate paleocoordinates | 28°24′N 56°06′W / 28.4°N 56.1°W |
Region | Crook, Grant & Harney Counties, Oregon |
Country | ![]() |
Extent | Snake River Basin |
![]() ![]() Nicely Formation (the United States) ![]() ![]() Nicely Formation (Oregon) |
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
References
- 1 2 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
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.