| Dewey Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Iowa, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Dewey, Washington County, Oklahoma |
| Named by | D. W. Ohern, 1910 [1] |
The Dewey Formation is a geologic formation in Iowa and Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Hampton Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.
The Kanwaka Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.
The St. Louis Formation is a geologic formation in Iowa. It preserves fossils dating back to the Carboniferous period.
The Coralville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Devonian period.
The Lithograph City Formation is a geologic formation in Iowa, part of the Cedar Valley Group. It preserves fossils dating back to the Devonian period. The formation is composed of dolomite and limestone, with many fossils and vugs in the lower part, while the upper part contains few fossils.
The Spillville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Devonian period.
The Stewartville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Ordovician period.
The Cummingsville Formation is a geologic formation in Iowa and Minnesota. It preserves fossils dating back to the Ordovician period.
The Racine Formation is a geologic formation in Iowa. It preserves fossils dating back to the Silurian period.
The Morrow Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Nellie Bly Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Cape Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Viola Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Ordovician period.
The Blaine Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Dog Creek Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Flowerpot Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Hennessey Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Garber Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Permian period.
The Henryhouse Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Silurian period.
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