Central Dickinson County, Michigan – Northern Mid-Continent

#196, project 1, show in map.

Age (Ma)
458456
Paleozoic
Ordovician
Late Ordovician
Sandbian
Middle Ordovician
Darriwilian
Unnamed
28.8 Ma
495490
Paleozoic
Cambrian
Furongian
Stage 10
Jiangshanian
Paibian
Au Train Formation
Miners Castle Member of Munising Formation
Chapel Rock Member of Munising Formation
1283.2 Ma
1,9501,9001,8501,800
Paleoproterozoic
Statherian
Orosirian
Fortune Lake Slate Formation of Paint River Group
Stambaugh Formation of Paint River Group
Hiawatha Graywacke Formation of Paint River Group
Riverton Iron Formation of Paint River Group
Dunn Creek Slate Formation of Paint River Group
Badwater Greenstone
Michigamme Formation
9.0 Ma
2,1002,0502,000
Paleoproterozoic
Orosirian
Rhyacian
Hemlock Formation
Vulcan Iron Formation
Felch Formation
Randville Dolomite
Sturgeon Quartzite
Fern Creek Formation
504.0 Ma
2,8002,7502,7002,650
Neoarchean
Mesoarchean
Granite Bluffs Gneiss
Six-mile Lake Amphibolite
Solberg Schist
East Branch Arkose
0.0 Ma
2,800
Neoarchean
Mesoarchean
Granite Gneiss at Norway Lake
60.0 Ma
3,2003,1503,1003,0503,0002,950
Mesoarchean
Paleoarchean
Unnamed