Choza Formation

Geology

Group: Clear Fork

Members: unnamed (8)

Lithologies: not reported (1), "siliciclastic" (1), "shale" (4), siltstone (2), conglomerate (1)

Paleoenvironments: marine indet. (1), terrestrial indet. (2), marginal marine indet. (1), "channel" (1), pond (3)

Age range: base of the Kungurian to the top of the Leonardian or 279.30000 to 273.01000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Leonardian286.0 - 273.01USA (Texas) (79601 80574 85361 85362 177006 177018)
Kungurian279.3 - 272.3USA (Texas) (128588 197319)