The Otterdale Formation is a geologic formation in Virginia. It preserves fossils dating back to the Triassic period.
Otterdale Formation | |
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Stratigraphic range: Triassic | |
Type | Geological Formation |
Unit of | Newark Supergroup |
Location | |
Region | Virginia |
Country | United States |
Type section | |
Named for | Otterdale, Chesterfield County, Virginia |
Named by | Shaler and Woodworth, 1899[1] |
It was first identified at exposures near Otterdale, Chesterfield County, Virginia, within the Richmond Basin. Shaler and Woodworth described it as follows:
- Coarse sandstones, often feldspathic, with silicified trunks of Araucarioxylon; well developed north, south, and west of Otterdale. Thickness, 500+ feet.[1]
See also
editReferences
edit- ^ a b Shaler, N. S., and Woodworth, J. B., 1899. Geology of the Richmond Basin, Virginia, Washington: Government Printing Office. Google Book
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.