Felsic volcanic and volcanogenic rocks

Tuff, argillite, graywacke, and minor volcanic rocks of lower greenschist-facies in southern Rusk County. Could be younger in age than adjacent metavolcanic rocks.
State Wisconsin
Name Felsic volcanic and volcanogenic rocks
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > Metaigneous > Metavolcanic (Greenschist)Tuff, argillite, graywacke, and minor volcanic rocks of lower greenschist-facies in southern Rusk County.
Minor
Sedimentary > Clastic > Sandstone > Graywacke (Tuffaceous)Tuff, argillite, graywacke, and minor volcanic rocks of lower greenschist-facies in southern Rusk County.
Metamorphic > Metasedimentary > Metaclastic > Argillite (Greenschist)Tuff, argillite, graywacke, and minor volcanic rocks of lower greenschist-facies in southern Rusk County.
Comments Pembine-Wausau terrane
References
NGMDB product
Counties Chippewa - Rusk - Taylor