Peshtigo Mangerite in the Wolf River batholith; Peshtigo Mangerite

Brown to dark-gray, coarse-grained (0.3-1.5 cm) inequigranular monzonite containing subhedral, zoned plagioclase, alkali feldspar, mafic silicates (fayalite, hypersthene, ferroaugite-hedenbergite, hornblende, and biotite), and interstitial quartz
State Wisconsin
Name Peshtigo Mangerite in the Wolf River batholith; Peshtigo Mangerite
Geologic age Middle Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Syenitic > MonzoniteBrown to dark-gray, coarse-grained (0.3-1.5 cm) inequigranular monzonite containing subhedral, zoned plagioclase, alkali feldspar, mafic silicates (fayalite, hypersthene, ferroaugite-hedebergite, hornblende, and biotite), and interstitial quartz
References
NGMDB product
Counties Marinette - Oconto