Granite, granodiorite, and trondhjemite

Granite, granodiorite, and trondhjemite.
State New Hampshire
Name Granite, granodiorite, and trondhjemite
Geologic age Late Ordovician
Lithologic constituents
Igneous > Plutonic > Granitic > Tonalite > Trondhjemite (Pluton)
Igneous > Plutonic > Granitic > Granite (Pluton)
Igneous > Plutonic > Granitic > Granodiorite (Pluton)
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.
NGMDB product
Counties Cheshire - Sullivan