USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > New Hampshire

Tonalite

Tonalite - Extended from Joslin Turn, Vermont.
StateNew Hampshire
NameTonalite
Geologic ageMiddle Ordovician
Original map labelOj3A
CommentsJoslin Turn pluton (Vt.-N.H.) = 469+/-1.5 U/Pb per NH018.
Primary rock typetonalite
Secondary rock type
Other rock types
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Tonalite
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.
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.
Aleinikoff, J.N., and Moench, R.H., 1992, U-Pb zircon ages of the Ordovician Ammonoosuc Volcanics and related plutons near Littleton and Milan, New Hampshire [abs.]: Geological Society of America Abstracts with Programs, v. 24, p. 2.
Geographic coverageGrafton

Show this information as [XML]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=NHOj3A;0
Page Contact Information: Peter Schweitzer