| Otterdale Formation | |
|---|---|
| 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] |
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. [1]
