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Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex Co., Massachusetts, USA
A crushed stone quarry on Zachary Hill, opened in 1948 by Bayer and Mingolla Industries. Rocks in the quarry are primarily amphibolite, hornblende schist and quartz-biotite schist. (Cahoon, 1985)
Mineral List
43 entries listed. 35 valid minerals.
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References
Biggart, Norman (1974). Ashland B & M Quarry. Souvenir Guide to New England Mineral Collecting (Annual Greater Boston Gem and Mineral Show program, pp. 41-43).
Cahoon, James C. (1985). Massachusetts: A Classic Swiss Alpine Cleft Mineral Region (Boston Mineralogical Symposium program book, May 1985)
Médard, Etienne; Cristofono, Peter; and Henderson, William A. (2007) Kamphaugite-(Y) from Ashland, MA (Micromounters of New England Newsletter 284:2-5)
Cahoon, James C. (1985). Massachusetts: A Classic Swiss Alpine Cleft Mineral Region (Boston Mineralogical Symposium program book, May 1985)
Médard, Etienne; Cristofono, Peter; and Henderson, William A. (2007) Kamphaugite-(Y) from Ashland, MA (Micromounters of New England Newsletter 284:2-5)
External Links
http://rruff.info/uploads/MMNE284_2.pdf - "Kamphaugite-(Y) from Ashland, MA"
http://rruff.info/Kamphaugite-(Y) - Kamphaugite-(Y) R080085
http://rruff.info/Kamphaugite-(Y) - Kamphaugite-(Y) R080085
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