Hornblende-biotite tonalite

Hornblende-biotite tonalite.
State New Hampshire
Name Hornblende-biotite tonalite
Geologic age Middle Ordovician
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Tonalitehornblende-biotite tonalite
Comments Rocks of the Chickwolnepy intrusions in northern New Hampshire (Middle Ordovician).
References
NGMDB product
Counties Coos