Tradewater Formation

Geology

Members: unnamed (3), Curlew limestone (2), Delwood sandstone (1), Tarter (4)

Lithologies: not reported (2), "limestone" (3), coal (3)

Paleoenvironments: terrestrial indet. (5), carbonate indet. (3)

Age range: base of the Desmoinesian to the top of the Middle Pennsylvanian or 312.80000 to 307.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carboniferous358.9 - 298.9USA (Illinois) (24650 24651 24652 24653)
Early/Lower Pennsylvanian - Middle Pennsylvanian323.2 - 307.0USA (Illinois) (126926 126927)
Atokan - Desmoinesian318.6 - 306.0USA (Kentucky) (217270 217272)
Middle Pennsylvanian315.2 - 307.0USA (Kentucky) (126929)
Desmoinesian312.8 - 306.0USA (Illinois) (217274)