Sharon Springs Member
Geology
Group: Montana
Formation: Pierre Shale
Lithologies: not reported (11), "shale" (19), "limestone" (2)
Paleoenvironments: marine indet. (18), offshore (4), deep-water indet. (9)
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Campanian | USA (Kansas) | (71829 106060) | |
Campanian | USA (South Dakota) | (101100 107642 107674) | |
Campanian | USA (Wyoming) | (1743 1742) | |
Early/Lower Campanian | USA (Wyoming) | (77348 94650 117858 117859) | |
Early/Lower Campanian | USA (South Dakota) | (94635 94636 94638 94639 94641 94644 94645 94647) | |
Early/Lower Campanian - Middle Campanian | USA (Nebraska) | (116621) | |
Early/Lower Campanian - Middle Campanian | USA (Wyoming) | (77312) | |
Early/Lower Campanian - Middle Campanian | USA (South Dakota) | (77316 102092 107676 117861) | |
Early/Lower Campanian - Middle Campanian | USA (Kansas) | (77321 114240) | |
Middle Campanian | USA (South Dakota) | (85236 94640) | |
Middle Campanian | USA (Kansas) | (25692 49039 132509 136267) | |
Middle Campanian | USA (Wyoming) | (117860 233170) |