Geology and Minerals

Greenhorn Limestone

The Greenhorn Limestone or Greenhorn Formation is a geologic formation in the Great Plains Region of the United States, dating to the Cenomanian and Turonian ages of the Late Cretaceous period. The formation gives its name to the Greenhorn cycle of the Western Interior Seaway.

Also on this shelf

See also

• ▸Biological pump
• ▸Bonseki
• ▸Coos Bay

Uncatalogued shelf

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