Hongo Formation
Geology
Members: unnamed (1), Hashigami Sandstone (1)
Lithologies: sandstone (1)
Paleoenvironments: marine indet. (2)
Age range: Tortonian or 11.62000 to 7.24600 Ma
Hongo Formation
Members: unnamed (1), Hashigami Sandstone (1)
Lithologies: sandstone (1)
Paleoenvironments: marine indet. (2)