USGS Visual Identifier
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Geologic Unit: Sherman

Usage:
Sherman Marble (VT*,MA*)

Age:
Precambrian*
Proterozoic, Middle*
Geologic Province:
New England province*

Areal Extent:
VT*
MA*

Type Locality:
Abandoned quarry on northeast shore of Sherman Reservoir, east of abandoned Hoosac Tunnel and Wilmington RR, Windham Co., southeastern VT (Ratcliffe, 1979).
Named from town of Sherman (Hubbard, 1924).

Unit Name History:
Named (Hubbard, 1924).
Age modified (Foyles and Richardson, 1929).
Revised; Age modified (Skehan, 1961).
Age modified (Zen, 1967).
Revised; Restricted use; Age modified (Ratcliffe, 1979).
MA State Geol. Map usage (Zen and others, 1983).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
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
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013