Geologic units in Wexford county, Michigan

Additional scientific data in this geographic area

Michigan Formation (Mississippian) at surface, covers 44 % of this area

Michigan Formation

Marshall Sandstone (Mississippian) at surface, covers 21 % of this area

Marshall Sandstone

Saginaw Formation (Pennsylvanian) at surface, covers 16 % of this area

Saginaw Formation

Coldwater Shale (Mississippian) at surface, covers 14 % of this area

Coldwater Shale

Bayport Limestone (Mississippian) at surface, covers 5 % of this area

Bayport Limestone

Ellsworth Shale (Late Devonian) at surface, covers < 0.1 % of this area

Ellsworth Shale