State | Minnesota |
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Name | Foliated to gneissic tonalite, granodiorite, and diorite |
Geologic age | Neoarchean |
Lithologic constituents | Major
Igneous > Plutonic > Granitic > Tonalite (Batholith)gneissic tonalite
Igneous > Plutonic > Granitic > Granodiorite (Batholith)
Igneous > Plutonic > Dioritic > Diorite (Batholith)
|
Comments | Intrusions in all subprovinces of the Superior Province. Foliated to gneissic intrusive complexes and components of batholiths. |
References | Jirsa, Mark A., Boerboom, Terrence J., Chandler, Val W., Mossler, John H., Runkel, Anthony C., and Setterholm, Dale R., 2011, S-21 Geologic Map of Minnesota-Bedrock Geology; Minnesota Geological Survey, State Map Series S-21. Scale 1:500,000. |
NGMDB product | |
Counties | Beltrami - Cass - Chippewa - Crow Wing - Grant - Hubbard - Itasca - Kittson - Koochiching - Lake of the Woods - McLeod - Marshall - Norman - Otter Tail - Polk - Renville - Roseau - Saint Louis - Sibley - Todd - Traverse - Wadena - Wilkin |