Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > New Hampshire
|Name||Mesoperthitic biotite granite|
|Geologic age||Early Cretaceous|
|Original map label||Kc1b|
|Comments||Part of the New England-Quebec 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). Ossipee Mountain Complex of Kingsley (1931) = 122+/-2 K/Ar per NH013. White Mountain Plutoni-Volcanic Suite: Green Mountain pluton = 111+/-3 K/Ar per NH013. Merrymeeting Lake intrusive rocks = 115+/-10 Rb/Sr per NH022. 117+/-5 K/Ar per NH013.|
|Primary rock type||granite|
|Secondary rock type|
|Other rock types|
Igneous > Plutonic > Granitic > Granite (Pluton)mesoperthitic biotite granite
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.
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||Belknap - Carroll - Rockingham - Strafford|
Show this information as [XML]