Cimarron Member, Group

Geology

Formation: Morrison

Formations: Wellington (1)

Lithologies: not reported (1), siltstone (1), sandstone (1), "limestone" (1)

Paleoenvironments: terrestrial indet. (2), pond (1)

Age range: base of the Artinskian to the top of the Kimmeridgian or 290.10000 to 152.10000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 279.3USA (Kansas) (21979)
Kimmeridgian157.3 - 152.1USA (Oklahoma) (92285)
Kimmeridgian - Tithonian157.3 - 145.0USA (Oklahoma) (192753)