Cow Branch Formation
Geologic formation in the eastern U.S. / From Wikipedia, the free encyclopedia
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The Cow Branch Formation is a Late Triassic geologic formation in Virginia and North Carolina in the eastern United States. The formation consists of cyclical beds of black and grey lacustrine (lake) mudstone and shale.[1][2][3][4][5] It is a konservat-lagerstätte renowned for its exceptionally preserved insect fossils, along with small reptiles,[6] fish, and plants.[7][8][9][10] Dinosaur tracks have also been reported from the formation.[11]
Quick Facts Type, Unit of ...
Cow Branch Formation | |
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Stratigraphic range: mid-Norian? | |
Type | Geological formation |
Unit of | Dan River Group |
Thickness | 1900 m |
Location | |
Coordinates | 36.4°N 80.0°W / 36.4; -80.0 |
Approximate paleocoordinates | 5.5°N 20.4°W / 5.5; -20.4 |
Region | Virginia |
Country | United States |
Type section | |
Named by | Thayer, 1970 |
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