Almond Formation
Geological formation in Wyoming, U.S. / From Wikipedia, the free encyclopedia
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The Almond Formation is a geological formation of Late Cretaceous (Late Campanian-Early Maastrichtian[1]) age in Wyoming. It was deposited in marsh, deltaic, lagoonal, estuarine, and shallow marine environments along the western shore of the Western Interior Seaway. It consists primarily of fine- to medium-grained sandstone, siltstone, shale, and coal.[2] Fossils from the Almond Formation include remains of dinosaurs[3] and plants.[4]
Quick Facts Type, Underlies ...
Almond Formation | |
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Stratigraphic range: 73.6–71.1 Ma | |
Type | Geological formation |
Underlies | Lewis Shale |
Overlies | Ericson Formation |
Lithology | |
Primary | Sandstone |
Other | Siltstone, shale, coalb |
Location | |
Coordinates | 41°36′25″N 109°13′34″W |
Region | Wyoming |
Country | United States |
Southwestern Wyoming, incl. Almond formation |
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