Geologic units in Manistee county, Michigan

Additional scientific data in this geographic area

Ellsworth Shale (Late Devonian) at surface, covers 51 % of this area

Ellsworth Shale

Coldwater Shale (Mississippian) at surface, covers 28 % of this area

Coldwater Shale

Marshall Sandstone (Mississippian) at surface, covers 13 % of this area

Marshall Sandstone

Antrim Shale (Late Devonian) at surface, covers 6 % of this area

Antrim Shale

Michigan Formation (Mississippian) at surface, covers 2 % of this area

Michigan Formation