Hackberry Group

Geology

Formations: Lime Creek (4)

Lithologies: "shale" (2), dolomite (1), "carbonate" (1)

Paleoenvironments: carbonate indet. (4)

Age range: Frasnian or 382.70000 to 372.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Frasnian382.7 - 372.2USA (Iowa) (56362 56253 56254 56255)