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Southford Quartz Pegmatite Quarry

Producer in New Haven county in Connecticut, United States with commodities Quartz, Feldspar, Mica
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10110301
MRDS ID W001162
Record type Site
Current site name Southford Quartz Pegmatite Quarry
Related records 10240066

Geographic coordinates

Geographic coordinates: -73.17565, 41.44943 (WGS84)

Site location context

Political divisions (FIPS codes)

New Haven(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Southbury(quadrangle 1:24,000 scale)

Bridgeport(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Housatonic(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut New Haven

Commodities

Commodity Importance
Quartz Primary
Feldspar Tertiary
Mica Tertiary

Comments on the commodity information

  • WORKED ABOUT 1906 TO 1909 BY BRIDGEPORT WOOD FINISHING COMPANY FOR QUARTZ. OPEN PIT ABOUT 150 FEET LONG, 100 FEET WIDE, AT LEAST 25 FEET DEEP, FILLED WITH WATER. CONTACT OF PEG. WITH WALLROCK AT EAST END OF PIT STRIKES N. 19 DEG. EAST AND DIPS 63 DEG. SE.; AT WEST END STRIKE OF CONTACT N. 50 DEG. EAST AND DIP 44 DEG. SE. HEIGHT OF EXPOSED PEG. IS 14 FEET. PEGMATITE HAS PURE QUARTZ ZONE, AND MIXED QUARTZ, FELDSPAR, MICA ZONE.

Materials information

Materials Type of material
Muscovite Ore
Plagioclase Ore
Quartz Ore
Albite Gangue
Bertrandite Gangue
Beryl Gangue
Biotite Gangue
Bismuth Gangue
Chalcopyrite Gangue
Columbite Gangue
Garnet Gangue
Hyalite Gangue
Limonite Gangue
Microcline Gangue
Molybdenite Gangue
Pyrite Gangue
Tourmaline Gangue
Zircon Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -73.17565, 41.44943
ListMap

Economic information

Controls for ore emplacement

  • Pegmatite Dike

Comments on the geologic information

  • GEOL.DESC: COLLINSVILLE GNEISS INCLUDES TAINE MOUNTAIN FORMATION; DIKE NEAR CONTACT WITH THE YOUNGER CAMBRO-ORDOVICIAN "THE STRAITS SCHIST" FORMATION.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Significant No
Production years EARLY 1900

Mining district

District name Southbury

Ownership information

  • Type Operator
    Owner Bridgeport Wood Finishing Co.

Comments on the production information

  • FIGURES LACKING BUT MODERATE AMOUNT OF QUARTZ PRODUCED. PEGMATITE CONTENT LOW FOR FELDSPAR, MICA, BERYL.

Comments on the reserve resource information

  • FIGURES LACKING BUT PROBABLY MODERATE QUANTITY OF QUARTZ REMAINS.

Workings at the site

  • Type of workings Unknown
    Overall length 45.72M
    Overall width 30.48M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    SHAININ, V. E., 1943, "SOUTHFORD QUARRY", USGS, UNPUBLISHED REPORT, MAP, TEXT, P.

  • Production

    SHANIN, 1943

General comments

Subject category Comment text
Deposit USGS, TOPO, 1964, "SOUTHBURY" AT 1:24000, SHOWS QUARRY AS SMALL POND. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1972 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

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

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