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Foliated tonalite

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Medium-gray, mottled, medium-grained, equigranular tonalite and granodiorite. Intrudes rocks of the Milladore Volcanic Complex.
State Wisconsin
Name Foliated tonalite
Geologic age Early Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granodiorite (Pluton)medium-gray, mottled, medium-grained, equigranular tonalite and granodiorite.
Igneous > Plutonic > Granitic > Tonalite (Pluton)medium-gray, mottled, medium-grained, equigranular tonalite and granodiorite.
Comments Marshfield terrane
References

Sims, P.K., 1992, Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan: U.S. Geological Survey Miscellaneous Investigations Map I-2185, scale 1:500,000.

https://pubs.er.usgs.gov/publication/i2185
NGMDB product
Counties Marathon - Wood