Hornblende-biotite granite

Hornblende-biotite granite.
State New Hampshire
Name Hornblende-biotite granite
Geologic age Late Ordovician
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granite (Pluton)Hornblende-biotite granite.
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