Mine detail: Branchville Mica Mine

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Location: Fairfield County, Connecticut, United States, North America
Lat / long: 41.26779, -73.43925
dep_id: 10240106
mrds_id: W001031
mas_id: 90010012
Commodity type: metallic and nonmetallic
Trace mineral: Beryllium, Feldspar, Mica, Silica, Tantalum
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:: ADDITIONAL COMMODITY URANIUM. ACCESSORY MINERALS-HORNBLENDE,
  • Deposit:: ILMENITE, APATITE, MAGNETITE, ZIRCON SPODUMENE, GREEN APATIT
  • Deposit:: GREEN TOURMALINE, CALCITE, GARNET, PYRITE, CYRTOLITE, COLUMB
  • Deposit:: TANTALITE, AUTUNITE, TORBERNITE, EVERPTITE, LITHOPHILITE,
  • Deposit:: MANGANAPATITE, RARE MANGANESE PHOSPHATES, URANINITE, BERYL,
  • Deposit:: CYMATOLITE (MIXTURE OF FINE-GRAINED ALBITE & MUSCOVITE), FLO
  • Deposit:: SMOKY QUARTZ.
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