| Ada Formation | |
|---|---|
| Stratigraphic range: Late Pennsylvanian | |
| Type | Formation |
| Location | |
| Region | Oklahoma |
| Country | United States |
| Type section | |
| Named for | Ada, Pontotoc Co, OK |
The Ada Formation is a geologic formation in Oklahoma, within and to west of Ada. [1] It consist mainly of shale with numerous limestone layers which get thinner and eventually disappear to the south, where they are replaced by fine-grained sandstone. Fossils are rare. [2] Disarticulated remains of Eryops , Diasparactus , and Ophiacodon from the Ada Formation represent the first finds of these genera in Oklahoma. [3]
Nannospondylus is an extinct genus of dvinosaurian temnospondyl within the family Trimerorhachidae. It is known from the Chickasha Formation in Oklahoma.
The St. Clair Limestone is a geologic formation in Arkansas, Indiana, Missouri, and Oklahoma. It preserves fossils dating back to the Silurian period. This high density, high magnesium dolomitic limestone was originally classified as a marble in Oklahoma due to the fact that it would hold a high polish, hence Marble City.
The Oologah Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous 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 Cherryvale Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Boggy Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Bois d'Arc Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Devonian period.
The Haragan Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Devonian period.
The Oil Creek 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 Chickasha 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 Clarita Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Silurian period.
The Henryhouse Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Silurian period.
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