Mine detail: Colony Feldspar Mine

Previously called 'Cobb Hill'

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Location: Cheshire County, New Hampshire, United States, North America
Lat / long: 43.15997, -72.3184
dep_id: 10125859
mas_id: 330050010
Commodity type: nonmetallic
Major mineral: Feldspar
Trace mineral: Mica
Operation type: Surface-Underground
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-AMPHIPOLITE, CHLORITE, TOURMALINE, GARNET
  • Deposit:: APATITE, PYRITE, GOETHITE, & QUARTZ.
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