Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Vermont
|Name||Clarendon Springs, Ticonderoga, and Rock River Dolomites; Gorge Formation|
|Original map label||Ccs|
|Comments||Part of Champlain and Vermont Valleys Conodont biostratigraphy indicates that the Gorge Formation in VT is of Late Cambrian and Early Ordovician age (Landing, 1983) per VT015.|
|Primary rock type||dolostone (dolomite)|
|Secondary rock type||sandstone|
|Other rock types||chert; conglomerate|
Sedimentary > Carbonate > Dolostonemassive, smooth weathered gray dolomite characterized by numerous geodes and knots of white quartz
Sedimentary > Clastic > ConglomerateThe Gorge is a partly conglomeratic facies on the west limb of the St. Albans synclinorium.
Sedimentary > Chemical > Chertirregular masses of chert are near the top
Sedimentary > Clastic > Sandstone
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.
|Geographic coverage||Addison - Bennington - Chittenden - Franklin - Rutland|
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