Nicely Formation
| 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 |  United States |
| 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[edit]
Among others, the following fossils have been reported from the formation:[1]
See also[edit]
References[edit]
- ^ a b Nicely Formation at Fossilworks.org
- ^ Orr & Katsura, 1985
Bibliography[edit]
- 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
Categories:
- Jurassic geology of Oregon
- Jurassic System of North America
- Pliensbachian Stage
- Mudstone formations
- Limestone formations of the United States
- Shale formations of the United States
- Siltstone formations
- Deep marine deposits
- Paleontology in Oregon
- Landforms of Crook County, Oregon
- Landforms of Grant County, Oregon
- Landforms of Harney County, Oregon