Granodiorite, variably foliated. Includes the Bradbury Creek (~1,877 to 1,857 Ma) and Philbrook (~1,854 Ma) intrusions.
State Minnesota
Name Granodiorite
Geologic age Paleoproterozoic
Lithologic constituents
Igneous > Plutonic > Granitic > Granodiorite (Stock or pipe)variably foliated
Comments Part of the Geon 18 intrusions and supracrustal rocks (syn- to late Penokean orogenesis).

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 Mille Lacs - Morrison - Todd