Echkar Formation
Geology
Group: Tegama
Members: unnamed (4)
Lithologies: not reported (2), claystone (1), sandstone (2)
Paleoenvironments: terrestrial indet. (2), deltaic indet. (1), crevasse splay (1)
Age range: Early/Lower Cenomanian or 100.50000 to 93.90000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian - Early/Lower Cenomanian | Niger (Agadez) | (25221) | |
| Early/Lower Cenomanian | Niger (Agadez) | (58577 230997) | |
| Early/Lower Cenomanian | Niger (Zinder) | (228906) |