USGS Visual Identifier
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Geologic Unit: Quinnville

Quinnville Quartzite of Blackstone Group (RI*,MA*)

Proterozoic, Late*
Geologic Province:
New England province

Areal Extent:

Type Locality:
Exposures immediately north of Quinnville extending north to west of State Highway 116 bridge over Blackstone River, Pawtucket quadrangle, Providence Co., northeastern RI (Quinn, 1971).

Unit Name History:
Named (Quinn, 1971).
Revised (Nelson, 1974).
Revised; Age modified (Goldsmith, 1980).
Extended into MA (Goldsmith and others, 1982).
MA State Geol. Map usage (Zen and others, 1983).
Revised; 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