Akima Formation

Geology

Members: unnamed (1)

Lithologies: siltstone (1)

Paleoenvironments: lacustrine indet. (1)

Age range: Tertiary or 66.00000 to 2.58000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tertiary66.0 - 2.58Japan (Gunma) (22768)