USGS - science for a changing world

Mineral Resources On-Line Spatial Data

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

Geologic units in Gratiot county, Michigan

Saginaw Formation (Pennsylvanian) at surface, covers 50 % of this area
Saginaw Formation
Lithology: sandstone; shale; coal; limestone
Red beds (Jurassic) at surface, covers 44 % of this area
Red beds
Lithology: shale
Grand River Formation (Pennsylvanian) at surface, covers 6 % of this area
Grand River Formation
Lithology: sandstone; shale

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/fips-unit.php?code=f26057
Page Contact Information: pschweitzer@usgs.gov
Page Last modified: 10:03 on 08-May-2012