Mine detail: Keyes Mica Mines, No. 3 & 4

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Location: Grafton County, New Hampshire, United States, North America
Lat / long: 43.69527, -71.94168
dep_id: 10150047
mas_id: 330090028
Commodity type: nonmetallic
Major mineral: Mica
Trace mineral: Feldspar
Operation type: Surface
Development status: Prospect
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:: ABUNDANT ACCESSORY MINERALS-TOURMALINE, APATITE, & QUARTZ.
  • Deposit:: WAR MINERAL REPORT 96.81, 5-12-44
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