Hypersthene-biotite quartz diorite and hornblende or actinolite diorite or gabbro

Spatially associated with Spaulding Tonalite plutons.
State New Hampshire
Name Hypersthene-biotite quartz diorite and hornblende or actinolite diorite or gabbro
Geologic age Early Devonian - Late Devonian
Lithologic constituents
Major
Igneous > Plutonic > Dioritic > Quartz-dioritehypersthene-biotite quartz diorite
Minor
Igneous > Plutonic > Dioritic > Dioritehornblende or actinolite diorite
Igneous > Plutonic > Gabbroic > Gabbro
Comments Part of the New Hampshire Plutonic Suite (Late to Early Devonian) - Includes synkinematic and postkinematic granitoids related to the Acadian orogeny. Ages range from 410 to 365 Ma.
References
NGMDB product
Counties Cheshire - Merrimack