| Virgin Formation | |
|---|---|
| Stratigraphic range: Spathian | |
| Type | Formation |
| Unit of | Thaynes Group |
| Thickness | 150 m (490 ft) |
| Lithology | |
| Primary | Limestone |
| Other | Siltstone, shale |
| Location | |
| Coordinates | 37°12′6″N 113°11′23″W / 37.20167°N 113.18972°W |
| Region | Utah |
| Country |  United States |
| Type section | |
| Named for | Virgin, Utah |
| Named by | Bassler and Reeside |
| Year defined | 1921 |
  Virgin Formation (the United States)  Virgin Formation (Utah) | |
The Virgin Formation is a geologic formation in Utah. It preserves fossils dating back to the Triassic period (Spathian substage).[1]