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Branchville Mica Mine

Past Producer in Fairfield county in Connecticut, United States with commodities Beryllium, Feldspar, Mica, Silica, Tantalum
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Links to other databases
  10. Bibliographic references
  11. Reporter information

Geologic information

Identification information

Deposit ID 10240106
MRDS ID W001031
MAS/MILS ID 0090010012
Record type Site
Current site name Branchville Mica Mine
Related records 10068106

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -73.43925, 41.26779 (WGS84)
Elevation 128
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Fairfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bethel(quadrangle 1:24,000 scale)

Bridgeport(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Saugatuck(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Fairfield

Commodities

Commodity Importance
Beryllium Critical Tertiary
Feldspar Tertiary
Mica Tertiary
Silica Tertiary
Tantalum Critical Tertiary

Nearby scientific data

Ore Body (1) -73.43925, 41.26779
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Both
Significant No

Land status

Ownership category Private

Reference information

Bibliographic 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.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-NOV-1983 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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