|Name||Hatch Hill and West Castleton Formations, Undifferentiated|
|Comments||Part of Taconic Range|
|Primary rock type||quartzite|
|Secondary rock type||slate|
|Other rock types||limestone|
Metamorphic > Metasedimentary > Metaclastic > QuartziteHatch Hill: characterized by rusty and spongy weathered gray calcareous quartzite traversed by numerous white-quartz viens.
Metamorphic > Metasedimentary > Metaclastic > SlateWest Castleton is a gray to black, siliceous, carbonaceous, and pyritiferous slate containing paper-thin white sandy laminae. Black slates are common to both formations.
Sedimentary > Carbonate > Limestoneblue-gray weathered black limestone is near the base of the West Castleton in a few places
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.
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||Addison - Bennington - Rutland|