Latitude: 42°41'23"N
Longitude: 70°37'56"W
Granite quarry ca. 1840 - 1929. Now located in Halibut Point State Park.
Mineral List
12 entries listed. 9 valid minerals.
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References
Dale, Thomas Nelson (1908): The Chief Commercial Granites of MA, NH, and RI (USGS Bulletin 354).
Palache, Charles (1950): Fayalite at Rockport, Massachusetts. (American Mineralogist 35:877-881).
External Links
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