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]
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]