Mine detail: George Porter Mine

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Location: Cheshire County, New Hampshire, United States, North America
Lat / long: 43.13247, -72.3334
dep_id: 10247400
mas_id: 330050018
Commodity type: nonmetallic
Major mineral: Feldspar
Trace mineral: Mica
Operation type: Surface
Development status: Past Producer
Reporter: Eastern Field Operations Center (EFOC)
References:
  • Deposit:: CAMERON, E.N., LARRABEE, D.M., MCNAIR, A.H. AND OTHERS, 1954
  • Deposit:: USGS PROF PAPER 255.
  • Deposit:: ACCESSORY MINERALS-BERYL, BLACK TOURMALINE, BIOTITE, APATITE
  • Deposit:: MANGANOTANTALITE.
  • Deposit:: PEARRE, NANCY C & CALKINS, JAMES A, 1957, USGS MIN INV RES M
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