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Waits River Formation, Barton River Member

Waits River Formation, Barton River Member - Interbedded siliceous crystalline limestone and sercite-quartz-chlorite phyllite in northern Vermont; diopsidic limestone and cordierite hornfels at contacts with granitic dikes and sills.
State Vermont
Name Waits River Formation, Barton River Member
Geologic age Devonian
Comments Part of Eastern Vermont
Primary rock type limestone
Secondary rock type phyllite
Other rock types hornfels; granite
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Phyllitesercite-quartz-chlorite phyllite
Sedimentary > Carbonate > Limestoneinterbedded siliceous crystalline limestone; diopsidic limestone
Incidental
Metamorphic > Granoblastic > Hornfelscordierite hornfels at contacts with granitic dikes and sills
Igneous > Plutonic > Granitic (Dike or sill)granitic dikes and sills
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.
Counties Orleans