Quarries in metamorphosed limestone worked from the 1700s to 1830. "Chelmsfordite" was described as a new mineral by J. F. Dana & S. L. Dana in 1818. This mineral was later determined to be
scapolite. James Freeman Dana (1793-1827), was born in
Amherst, New Hampshire, and was a chemist, professor and author. His brother, Samuel Luther Dana (1795-1868) was also a noted chemist.
References
Dana, James Freeman; and Dana, Samuel L. (1818). Outlines of the Mineralogy and Geology of Boston and Vicinity.
Hitchcock, Edward (1835). Report on the Geology, Mineralogy, Botany, and Zoology of Massachusetts, pp. 307-311.
Cook, L. P. (1974) Metamorphic Rocks of the Nashoba Formation, Eastern Massachusetts.(PhD Thesis, Harvard University, Cambridge MA)
Mineral List
22 entries listed. 19 valid minerals.
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