Английская Википедия:Imperial Formation
The Imperial Formation is the name of two distinct and unrelated geologic formations in North America, of different geologic Eras.
Separate formations
Canadian Paleozoic Era formation
The older Imperial Formation occurs in the Northwest Territories of Canada. It preserves fossils dating back to the Devonian period of the Paleozoic Era.[1]
Californian Cenozoic Era formation
The younger Imperial Formation occurs in the Colorado Desert, in Imperial County of Southern California. It dates to the Zanclean−Lower Pliocene stage of the Pliocene Epoch, during the Neogene Period of the Cenozoic Era.
It underlies the Palm Spring Formation, and overlies the Ocotillo Formation.[2]
See also
- List of fossiliferous stratigraphic units in California
- List of fossiliferous stratigraphic units in Northwest Territories
- Шаблон:C
References
Шаблон:Neogene Footer Шаблон:Paleozoic Footer Шаблон:Use dmy dates
Шаблон:California-geologic-formation-stub
Шаблон:Canada-geologic-formation-stub
- ↑ Шаблон:Cite web; Paleozoic Era Canada.
- ↑ San Diego State University.edu: "Environments of deposition, Pliocene Imperial Formation, Southeast Coyote Mountains, Imperial County, California"; Bell, Patricia J.; 1980.
- Английская Википедия
- Devonian Northwest Territories
- Pliocene California
- Zanclean
- Colorado Desert
- Geology of Imperial County, California
- Pliocene Series of North America
- Geologic formations of California
- Geologic formations of the Northwest Territories
- Paleozoic southern paleotemperate deposits
- Devonian northern paleotropical deposits
- Devonian southern paleotropical deposits
- Carboniferous southern paleotemperate deposits
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