Geologic Unit: Oakdale
Oakdale Formation (MA*,CT*,NH*)
Exposures at village of Oakdale in Sterling Twp., a few mi north of Worcester, Worcester Co., central MA (Emerson, 1917).
Scotland Schist Member (CT*)
Unit Name History:
Named Oakdale Quartzite (Emerson, 1917).
Correlations discussed (Freedman, 1950).
Age modified (Castle and others, 1976).
Redescribed as Oakdale Formation in Webster-Worcester region; Age modified (Barosh, 1976).
Redescribed as Oakdale Formation in northeastern MA; Extended into NH (Robinson, 1978).
Age modified; Isotopic dating (Aleinikoff and others, 1979).
Extended into CT; Redescribed as Oakdale Formation everywhere; Scotland Member assigned; Age modified (Pease, 1980).
Revised; Age modified; Stratigraphic position discussed (Goldsmith and others, 1982).
MA State Geol. Map usage (Zen and others, 1983).
Revised; Age modified (Pease, 1989).
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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