Chernyi Kamen Formation
Geology
Group: Sylvitsa
Members: Konovalovka (1), Krutikha (2), Sinii Kamen (2)
Lithologies: "shale" (1), siltstone (1), sandstone (5)
Paleoenvironments: marine indet. (2), deltaic indet. (2), shoreface (1)
Age range: Ediacaran or 635.00000 to 538.80000 Ma