Morawan Formation
Geology
Group: Kawakami
Members: Kamirawan (1), Lower Hard Shale (1), Middle Hard Shale (1), Upper tuffaceous silstone (1), upper tuffaceous siltstone (1)
Lithologies: "shale" (2), siltstone (2), sandstone (1)
Paleoenvironments: marine indet. (1), basinal (siliceous) (3), shoreface (1)
Age range: Chattian or 27.30000 to 23.04000 Ma