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Geologic Unit: Pondville

Pondville Conglomerate (MA*,RI*)
Pondville Conglomerate of /Rhode Island Group (MA,RI)
[An identical geographic name may not be applied to a unit [Rhode Island Group] and its parts [Rhode Island Formation] (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983).]

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

Areal Extent:

Type Locality:
Basal beds well exposed near Pondville Station on the Walpole and Wrentham RR, Norfolk Co., eastern MA (Woodworth, 1899).

Unit Name History:
Named Pondville Group (Woodworth, 1899).
Revised to Pondville Conglomerate (Emerson, 1917).
Described (Quinn, 1952).
MA State Geol. Map usage (Zen and others, 1983).
Revised (Skehan and Rast, 1990).
Overview (Goldsmith, 1991).

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
Database project personnel
Last modified: 15-Jan-2013