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

Metamorphosed gabbro, diorite, and intrusive basalt dikes

Metamorphosed gabbro, diorite, and intrusive basalt dikes - Chiefly in northern New Hampshire.
StateNew Hampshire
NameMetamorphosed gabbro, diorite, and intrusive basalt dikes
Geologic ageDevonian? - Silurian?
Original map labelDS9
Primary rock typemetavolcanic rock
Secondary rock type
Other rock types
Lithologic constituents
Major
Metamorphic > Metaigneous > Metaintrusive > Metadioritemetamorphosed gabbro, diorite, and intrusive basalt dikes
Metamorphic > Metaigneous > Metaintrusive > Metagabbrometamorphosed gabbro, diorite, and intrusive basalt dikes
Incidental
Metamorphic > Metaigneous > Metaintrusive > Metadiabasemetamorphosed gabbro, diorite, and intrusive basalt dikes
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.
Geographic coverageCoos - Grafton

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