Hirobatake Formation

Geology

Group: Yakuno

Members: unnamed (2)

Lithologies: "siliciclastic" (2)

Paleoenvironments: marine indet. (2)

Age range: Olenekian or 249.90000 to 246.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Induan - Olenekian251.902 - 246.7Japan (Fukui) (39975)
Olenekian249.9 - 246.7Japan (115388)