USGS - science for a changing world

Mineral Resources On-Line Spatial Data

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

Mackinac Breccia

Mackinac Breccia
StateMichigan
NameMackinac Breccia
Geologic ageEarly Devonian
Original map labelDm
Primary rock typelimestone
Secondary rock typesedimentary breccia
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sedimentary-breccia (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Map references
Reed, Robert C., and Daniels, Jennifer (compilers), 1987, Bedrock geology of northern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000
Unit references
Reed, Robert C., and Daniels, Jennifer (compilers), 1987, Bedrock geology of northern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000
Geographic coverageMackinac

Show this information as [XML] - [JSON]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MIDm;0
Page Contact Information: Peter Schweitzer