Upper tuffaceous silstone Member

Geology

Group: Kawakami

Formation: Morawan

Lithologies: siltstone (1)

Paleoenvironments: basinal (siliceous) (1)

Age range: Chattian or 28.10000 to 23.03000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Chattian28.1 - 23.03Japan (Hokkaido) (45786)