|Name||Hornblende-biotite quartz monzodiorite|
Igneous > Plutonic > Dioritic > Monzodiorite (Pluton)hornblende-biotite quartz monzodiorite
Igneous > Plutonic > Syenitic > Quartz-monzonite (Pluton)composition ranges from quartz monzonite to diorite.
Igneous > Plutonic > Dioritic > Diorite (Pluton)composition ranges from quartz monzonite to diorite.
|Comments||Part of the White Mountain igneous province of McHone and Butler (1984) - Overall part of the White Mountain Plutonic-Volcanic Suite - Includes Cretaceous alkalic syenite to granitic to gabbroic plutons, minor volcanic rocks, and lamprophyre dikes of the New England-Quebec igneous province of McHone and Butler (1984); also includes Jurassic granite and syenite and less abundant quartz syenite, diorite, gabbro, nepheline syenite, and volcanic rocks of the White Mountain igneous province of McHone and Butler (1984).|
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, 2 sheets, scale 1:250,000.
McHone, J.G., and Butler, J.R., 1984, Mesozoic igneous provinces of New England and the opening of the North Atlantic Ocean: Geological Society of America Bulletin, v. 95, p. 757-765.
|Counties||Belknap - Coos|