Mineral Resources
Online Spatial Data
Geology
by state
Michigan geologic units
Geologic units in Barry county, Michigan
Michigan Formation
(Mississippian)
at surface, covers 47 % of this area
Michigan Formation
Marshall Sandstone
(Mississippian)
at surface, covers 36 % of this area
Marshall Sandstone
Coldwater Shale
(Mississippian)
at surface, covers 9 % of this area
Coldwater Shale
Bayport Limestone
(Mississippian)
at surface, covers 4 % of this area
Bayport Limestone
Saginaw Formation
(Pennsylvanian)
at surface, covers 3 % of this area
Saginaw Formation