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Betts Manganese Mines (Anson Betts Mine; Plainfield Manganese Mines), Plainfield, Hampshire Co., Massachusetts, USA

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Latitude & Longitude (WGS84): 42° 29' 40'' North , 72° 56' 43'' West
Latitude & Longitude (decimal): 42.4944444444, -72.9452777778


Hawley "Mineral Belt" stratabound massive sulfides deposit. Located in Plainfield near the Cummington line. It is often erroneously listed as being in either Cummington or West Cummington.

The deposit was said by Emerson (1898) to have been worked extensively in 1848 before being abandoned due to the "California gold excitement." The mine was acquired in 1925 by the metallurgist and inventor, Anson Gardner Betts (b. 1876, Lansingburgh, NY; d. 1976), who operated it under the name Taconic Manganese Mines. The most active mining period was 1939-1942 (Quinn, 1945). His son Anson Ketchum Betts (b. 1924, Kinderhook NY; d. 2013) also worked for the family mining business.

The mine and tailings are now under the ownership of EarthDance. Was quoted in July, 2014 that the new cost of mining there was $20 per person and only one five gallon bucket of material may be removed per trip/day.

Mineral List


51 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Nash, Alanson (1827). Notices of the Lead Mines and Veins of Hampshire County, Massachusetts and of the Geology and Mineralogy of that Region, American Journal of Science and Arts: 7: 250.

Emerson, B. K. (1898). Geology of Old Hampshire County. (USGS Monograph 29).

Perry, Elwyn L. (1934). The Hawley Mineral Belt, Massachusetts, Rocks & Minerals: 9(7): 93-99.

Elwell, Wilbur J. (1936): A Mineralogical Trip Through New England. Rocks and Minerals: 11(3): 36-7.

Quinn, Alonzo W. (1945). Geology of the Plainfield-Hawley area : with special reference to deposits of manganese and iron minerals, USGS Open-File Report 45-28.

Dixon, A. M. (1946): Two Localities near Plainville, Mass. Rocks & Minerals: 21 (11): 754-755.

Mosier, M. (1949). Investigation of Anson Betts manganese mine, Hampshire County, Massachusetts, U.S. Department of the Interior, Bureau of Mines.

Dunn, Pete J. (1976). On gem rhodonite from Massachusetts, Journal of Gemmology: 15(2): 76-80.

Hickmott, Donald D. (1982). The mineralogy and petrology of the Betts mine area, Plainfield, Massachusetts: Unpublished B. S. thesis: Amherst College, Amherst, Massachusetts, 105 p.

Hickmott, Donald D; Slack, John F; Docka, Janet A. (1983). Mineralogy, Petrology, and Genesis of the Manganese Ores of the Betts Mine, Hampshire County, Massachusetts, USA in Field Trip Guidebook To Stratabound Sulphide Deposits, Bathurst Area, N.B., Canada, and West-Central New England, U.S.A. Geological Survey of Canada, Miscellaneous Report 36, 1983, p. 65-76.

Kim, Soo Jin (1991). New characterization of takanelite , American Mineralogist: 76: 1426-1430.

Plante, Alan (1992). Western Massachusetts Mineral Localities (Valley Geology Press).

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