Mineral Resources
Online Spatial Data
Geology
by state
Michigan geologic units
Geologic units in Benzie county, Michigan
Ellsworth Shale
(Late Devonian)
at surface, covers 39 % of this area
Ellsworth Shale
Antrim Shale
(Late Devonian)
at surface, covers 31 % of this area
Antrim Shale
Traverse Group
(Middle Devonian)
at surface, covers 30 % of this area
Traverse Group
Coldwater Shale
(Mississippian)
at surface, covers 0.4 % of this area
Coldwater Shale