USGS Visual Identifier
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Geologic Unit: Winooski

Winooski Dolomite (VT*)
Winooski Dolomite of Stockbridge Group (VT)
Winooski Formation (VT)

Cambrian, Early*
Cambrian, Middle*
Geologic Province:
New England province*

Areal Extent:

Type Locality:
Exposures along the Winooski River in Burlington, Chittendon Co., northwestern VT (Keith, 1923).

Unit Name History:
Named Winooski Marble (Hitchcock, 1861). Overview; Biostratigraphic dating (Keith, 1923). Redescribed as Winooski Dolomite (Cady, 1945). Redescribed as Winooski Dolostone; Age modified (Zen, 1967). Redescribed as Winooski Formation; Age modified (Dorsey and Stanley, 1982). Areal limits (Thompson, 1990). Age modified (Burton, 1993).

Note: If you need more information, please contact Nancy Stamm (
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).

U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013