San Pedro Arroyo Formation

Geology

Group: Chinle

Members: unnamed (2), Ojo Huelos (1)

Lithologies: not reported (1), mudstone (1), sandstone (1), conglomerate (1), "limestone" (1)

Paleoenvironments: terrestrial indet. (1), "channel" (1), lacustrine indet. (1)

Age range: base of the Carnian to the top of the Norian or 237.00000 to 208.50000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0USA (New Mexico) (179085)
Late/Upper Triassic237.0 - 201.4USA (New Mexico) (80913)
Norian228.0 - 208.5USA (New Mexico) (93570)