The Otterdale Formation is a geologic formation in Virginia. It preserves fossils dating back to the Triassic period.
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.Shaler, N. S., and Woodworth, J. B., 1899. Geology of the Richmond Basin, Virginia, Washington: Government Printing Office. Google Book
See also
List of fossiliferous stratigraphic units in Virginia Paleontology in Virginia
References