Hasen Creek Formation

Geology

Members: unnamed (4)

Lithologies: "limestone" (4)

Paleoenvironments: carbonate indet. (4)

Age range: base of the Asselian to the top of the Sakmarian or 298.90000 to 290.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Asselian - Sakmarian298.9 - 290.1USA (Alaska) (108145 108146 118799 118802)