Hornblende quartz monzonite

Hornblende quartz monzonite.
State New Hampshire
Name Hornblende quartz monzonite
Geologic age Late Ordovician
Lithologic constituents
Major
Igneous > Plutonic > Syenitic > Quartz-monzonite (Pluton)hornblende quartz monzonite
Comments Part of the Oliverian Plutonic Suite (Late Ordovician) - Pink, weakly to moderately foliated, locally porphyritic biotite granitoids found in mantled gneiss domes. Mafic varieties contain hornblends. Variably metamorphosed up to amphibolite facies.
References
NGMDB product
Counties Coos