Alleghany Group

Geology

Formations: Pottsville (15)

Lithologies: "shale" (6), "limestone" (15)

Paleoenvironments: carbonate indet. (9), coastal indet. (6)

Age range: Atokan or 318.60000 to 312.80000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Pennsylvanian323.2 - 298.9USA (Ohio) (217458)
Atokan318.6 - 312.8USA (Ohio) (64910 71961 71970 79376 79377 79378 79386 217451 217452 217454 217453 217455 217456 217457 217459)