Amanakskaya Formation
Geology
Members: unnamed (15)
Lithologies: not reported (1), claystone (2), siltstone (3), sandstone (9), conglomerate (4), marl (1), "limestone" (1), dolomite (1)
Paleoenvironments: terrestrial indet. (1), coastal indet. (4), deltaic indet. (8), fine channel fill (1), "channel" (1)
Age range: Urzhumian or 266.90000 to 264.28000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Urzhumian | Russian Federation (Orenburg) | (87039 189973 189974) | |
| Urzhumian - Early/Lower Severodvinian | Russian Federation (Orenburg) | (187191 36273 124278 187189 187190 187748) | |
| Tatarian | Russian Federation (Orenburg) | (196105 196106 196107 196108 196110 196111) |