Mitten Black Shale Member
Geology
Group: Montana
Formation: Pierre Shale
Lithologies: "shale" (25), "limestone" (15)
Paleoenvironments: offshore (25)
Mitten Black Shale Member
Group: Montana
Formation: Pierre Shale
Lithologies: "shale" (25), "limestone" (15)
Paleoenvironments: offshore (25)