Tsagaantsav Formation
Geology
Members: unnamed (6)
Lithologies: not reported (3), "siliciclastic" (2), claystone (1), siltstone (1)
Paleoenvironments: terrestrial indet. (1), fluvial-lacustrine indet. (1), lacustrine - small (1), lacustrine indet. (3)
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian - Barremian | Mongolia (Dornogov) | (113407 121472 189413) | |
| Valanginian - Barremian | Mongolia (Uvs) | (91411 91412) | |
| Valanginian - Barremian | Mongolia (Ovorhangai) | (55238) |