Granodiorite-tonalite

Gray, medium-grained intrusive rocks, including intrusion breccias. Exposed in central Wisconsin. Zircon ages range from 1837 to 1847 Ma
State Wisconsin
Name Granodiorite-tonalite
Geologic age Early Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granodiorite (Stock or pipe)Gray, medium-grained intrusive rocks, including intrusion breccias.
Igneous > Plutonic > Granitic > Tonalite (Stock or pipe)Gray, medium-grained intrusive rocks, including intrusion breccias.
Comments Pembine-Wausau terrane
References
NGMDB product
Counties Langlade - Lincoln - Marathon - Portage