Manitoba Group
Geology
Formations: Dawson Bay (4), Souris River (2)
Lithologies: "siliciclastic" (1), "shale" (1), "mixed carbonate-siliciclastic" (1), lime mudstone (1), dolomite (1), "carbonate" (1)
Paleoenvironments: marine indet. (6)
Age range: Givetian or 387.95000 to 382.31000 Ma