Tar Springs Formation

Geology

Group: Chester Series

Members: unnamed (1)

Lithologies: "shale" (1)

Paleoenvironments: delta plain (1)

Age range: base of the Chesterian to the top of the Serpukhovian or 335.50000 to 323.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Illinois) (23960)
Tournaisian - Serpukhovian358.9 - 323.2USA (Illinois) (23920)
Carboniferous358.9 - 298.9USA (Illinois) (11316 23922)
Carboniferous358.9 - 298.9USA (Kentucky) (23925)
Chesterian335.5 - 323.2USA (Indiana) (27)