GEOLEX database
Geologic Unit: Grant Mills
Usage:
Grant Mills Granodiorite (RI*)
Grant Mills Granodiorite of Esmond Plutonic Suite (RI)
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Type Locality:
Occurs near Grants Mills [now Grant Mills], Providence Co., northern RI (Warren and Powers, 1914).
Unit Name History:
Named Grants Mills Granodiorite (Warren and Powers, 1914).
Redescribed (Quinn and others, 1948).
Revised (Hermes and others, 1981).
Age modified; Areal limits (Goldsmith and others, 1982).
Overview (Zen and others, 1983).
Revised (Skehan and Rast, 1990).
Overview (Wones and Goldsmith, 1991).
[Name Grants Mills changed to Grant Mill by the Rhode Island Geographic Board.]
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: 7-Jan-2007