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Bell Shale

Bell Shale
State Michigan
Name Bell Shale
Geologic age Middle Devonian
Comments Traverse Group
Primary rock type black shale
Secondary rock type limestone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Map references
Milstein, Randall L. (compiler), 1987, Bedrock geology of southern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000
Unit references
Milstein, Randall L. (compiler), 1987, Bedrock geology of southern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000
Counties Cheboygan - Emmet - Presque Isle