Chester Series Group

Geology

Formations: Hardinsburg (1), Tar Springs (1)

Lithologies: "shale" (2), sandstone (1)

Paleoenvironments: delta plain (2)

Age range: base of the Tournaisian to the top of the Serpukhovian or 358.90000 to 323.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tournaisian - Serpukhovian358.9 - 323.2USA (Illinois) (23915)
Carboniferous358.9 - 298.9USA (Kentucky) (23925)