Hypersthene-biotite quartz diorite and hornblende or actinolite diorite or gabbro (NHDs6-9B;0)

State	New Hampshire
Name	Hypersthene-biotite quartz diorite and hornblende or actinolite diorite or gabbro
Geologic age	Early Devonian - Late Devonian
Original map label	Ds6-9B
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.
Primary rock type	quartz diorite
Secondary rock type	diorite
Other rock types	gabbro
Lithologic constituents	Major Igneous > Plutonic > Dioritic > Quartz-dioritehypersthene-biotite quartz diorite Minor Igneous > Plutonic > Dioritic > Dioritehornblende or actinolite diorite Igneous > Plutonic > Gabbroic > Gabbro
Map references	Bennett, D. S, , Wittkop, C.A., and Dicken, C.L., 2006 , Bedrock Geologic Map of New Hampshire - A Digital Representation of the Lyons and others 1997 map and ancillary files: U.S. Geological Survey Data Series 215, scale 1:250,000, CD-ROM. [http://pubs.er.usgs.gov/publication/ds215]
Unit references	Lyons, J.B., Bothner, W.A., Moench, R.H., and Thompson, J.B., Jr., 1997, Bedrock Geologic Map of New Hampshire: Reston, VA, U.S. Geological Survey Special Map, 1:250,000, 2 sheets.
Geographic coverage	Cheshire - Merrimack