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Mineral Resources > Online Spatial Data > Geology > by state > Michigan Geology

Geologic units in Cass county, Michigan

Coldwater Shale (Mississippian) at surface, covers 61 % of this area
Coldwater Shale
Lithology: shale; limestone; dolostone (dolomite); sandstone; siltstone
Ellsworth Shale (Late Devonian) at surface, covers 39 % of this area
Ellsworth Shale
Lithology: shale; siltstone; sandstone

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