Tomahawk Creek Member

Geology

Group: Chesterfield

Formation: Vinita

Lithologies: mudstone (2)

Paleoenvironments: lacustrine - small (2)

Age range: base of the Tuvalian to the top of the Carnian or 232.00000 to 228.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Carnian237.0 - 228.0USA (Virginia) (39159)
Tuvalian232.0 - 221.5USA (Virginia) (220419)