Granite gneiss

Medium-grained granodiorite gneiss in northwestern Marathon County.
State Wisconsin
Name Granite gneiss
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > GneissMedium-grained granodiorite gneiss in northwestern Marathon County.
Comments Pembine-Wausau terrane
References
NGMDB product
Counties Marathon