Wolf River Batholith; Anorthosite

Gray, coarse-grained (1-20 cm) plagioclase-rich (An45-53) rock containing interstitial orthopyroxene, clinopyroxene, Fe-Ti oxides, and apatite.
State Wisconsin
Name Wolf River Batholith; Anorthosite
Geologic age Middle Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > AnorthositeGray, coarse-grained (1-20 cm) plagioclase-rich (An45-53) rock containing interstitial orthopyroxene, clinopyroxene, Fe-Ti oxides, and apatite
References
NGMDB product
Counties Langlade - Marathon - Menominee - Portage - Shawano