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Bostonite

Bostonite - Many small leucophyres and lamprophyres do not show.
StateVermont
NameBostonite
Geologic agePermian-Triassic
Original map labelwle
CommentsPart of Plutonic Rocks (Including a few dike rocks and volcanic rocks.), White Mountain Plutonic-Volcanic Series
Primary rock typetrachyte
Secondary rock typelamprophyre
Other rock types
Lithologic constituents
Major
Igneous > Hypabyssal > Felsic-hypabyssal > Hypabyssal-trachyteBostonite
Minor
Igneous > Hypabyssal > LamprophyreMany small leucophyres and lamprophyres do not show.
Map references
Nicholson, S.W., Dicken, C.L., Horton, J.D., Foose, M.P., Mueller, J.A.L., and Hon, Rudi, 2006, Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island, and Vermont: U.S. Geological Survey Open-File Report 2006-1272.
Unit references
Doll, C.G., Cady, W.M., Thompson, J.B., Jr., and Billings, M.P., 1961, Centennial Geologic Map of Vermont: Vermont Geological Survey, Miscellaneous Map MISCMAP-01, scale 1:250,000.
Geographic coverageChittenden

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