Earth:Nicely Formation

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Nicely Formation
Stratigraphic range: late Pliensbachian
~186–183 Ma
TypeFormation
Lithology
PrimaryMudstone, limestone
OtherShale, siltstone
Location
Coordinates [ ⚑ ] : 44°06′N 119°24′W / 44.1°N 119.4°W / 44.1; -119.4
Paleocoordinates [ ⚑ ] 28°24′N 56°06′W / 28.4°N 56.1°W / 28.4; -56.1
RegionCrook, Grant & Harney Counties, Oregon
Country United States
ExtentSnake 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. 1.0 1.1 Nicely Formation at Fossilworks.org
  2. 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