Williamson Formation
Geology
Group: Clinton
Members: unnamed (8)
Lithologies: "siliciclastic" (1), claystone (1), "shale" (15), siltstone (2), grainstone (3), "limestone" (3)
Paleoenvironments: marine indet. (8), open shallow subtidal (1), deep subtidal shelf (3), offshore shelf (1), offshore (4)
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Llandovery | USA (New York) | (77051 77052 77054 77081) | |
Llandovery - Wenlock | USA (New York) | (12929) | |
Telychian | USA (New York) | (26865 76267 76268 77053 81820 81825 81878 81909 82554 82558) | |
Wenlock | USA (New York) | (779 741) |