Gyirong Group
Geology
Formations: unnamed (3)
Lithologies: not reported (2), "shale" (1)
Paleoenvironments: marine indet. (3)
Age range: Norian or 227.30000 to 205.70000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian - Norian | China (Xizang) | (150478) | |
| Norian | China (Xizang) | (98593 110251) |