Chester Cone Formation

Geology

Group: Byers

Members: unnamed (1)

Lithologies: mudstone (1)

Paleoenvironments: basinal (siliciclastic) (1)

Age range: base of the Berriasian to the top of the Valanginian or 143.10000 to 132.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Berriasian - Valanginian143.1 - 132.6Antarctica (66076)