Bell Ranch Formation
Geologic formation in New Mexico and Oklahoma / From Wikipedia, the free encyclopedia
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The Bell Ranch Formation is a Late Jurassic (Kimmeridgian) geologic formation in eastern and northeastern New Mexico and the western Oklahoma panhandle. Fossil theropod tracks have been reported from the formation.[1][2]
Quick Facts Type, Unit of ...
Bell Ranch Formation | |
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Stratigraphic range: Kimmeridgian ~155–151 Ma | |
Type | Geological formation |
Unit of | San Rafael Group |
Underlies | Morrison Formation |
Overlies | Exeter Sandstone |
Thickness | 66 feet (20 m) |
Lithology | |
Primary | Sandstone |
Other | Siltstone |
Location | |
Coordinates | 35.3040°N 103.8867°W / 35.3040; -103.8867 |
Approximate paleocoordinates | 31.5°N 49.7°W / 31.5; -49.7 |
Region | New Mexico Oklahoma |
Country | United States |
Type section | |
Named for | Bell Ranch |
Named by | Griggs and Read |
Year defined | 1959 |
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