Retort Member
Geology
Formation: Phosphoria
Lithologies: claystone (3), mudstone (10), "shale" (4), sandstone (1), "limestone" (5)
Paleoenvironments: marine indet. (8), offshore (12)
Age range: Lopingian or 259.90000 to 252.17000 Ma
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Lopingian | USA (Idaho) | (11282 184611) | |
Lopingian | USA (Montana) | (11275 88662 105349 105370 107756 107757 107758 107759 107760 107761 107762 107763 107764 107765) | |
Lopingian | USA (Wyoming) | (11224 83004 95799 105360) |