Granitoid intrusion

Granitoid intrusion. Constrained solely by low gravity and magnetic signatures.
State Minnesota
Name Granitoid intrusion
Geologic age Neoarchean
Lithologic constituents
Igneous > Plutonic > Granitic (Pluton)granitoid intrusions
Comments Intrusions in all subprovinces of the Superior Province. Part of generally discrete, unfoliated to weakly magmatically foliated or lineated plutons.

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 Becker - Beltrami - Cass - Clay - Clearwater - Itasca - Koochiching - Lake of the Woods - Mahnomen - Marshall - Norman - Otter Tail - Polk - Pope - Red Lake - Roseau - Saint Louis - Stevens - Wilkin