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Winooski Dolomite

Winooski Dolomite - Buff-weathered, pink, buff, and gray dolomite; beds 4 inches to 1 foot thick separated by thin, protruding, red, pink, green, and black siliceous partings.
State Vermont
Name Winooski Dolomite
Geologic age Cambrian
Comments Part of Champlain and Vermont Valleys Winooski Dolomite mapped in southwestern VT and given an Early Cambrian age. [Overall age for Winooski is Early and Middle Cambrian and may be time transgressive from south to north; see Dorsey and Stanley (1982) for northwestern VT.] (Burton, 1993) VT017.
Primary rock type dolostone (dolomite)
Secondary rock type
Other rock types
Lithologic constituents
Sedimentary > Carbonate > Dolostone (Bed)
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.
Burton, W.C., 1993, Bedrock geologic map of the Sunderland quadrangle, Bennington and Windham Counties, Vermont: U.S. Geological Survey Miscellaneous Field Studies Map, MF-2224, 1 sheet, scale 1:24,000.
Counties Addison - Bennington - Chittenden - Rutland