Latitude: 42°37'32"N
Longitude: 70°39'45"W
Temporary exposures in the area during extensive building and road construction adjacent to State Route 128. Outcrops and boulders of alkalic Cape Ann granite and quartz syenite and associated pegmatites and miarolitic cavities.
Mineral List
25 entries listed. 21 valid minerals.
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References
Cristofono, P. (2010). Minerals of the Blackburn Circle Area, Gloucester, Massachusetts (Micromounters of New England Newsletter no. 304, pp.4-13, May 2010).
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