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Feldspar Pegmatite Quarries No. Cj-015

Past Producer in Hartford county in Connecticut, United States with commodity Feldspar
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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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10067698
MRDS ID W000499
Record type Site
Current site name Feldspar Pegmatite Quarries No. Cj-015
Related records 10167490

Geographic coordinates

Geographic coordinates: -72.59896, 41.65527 (WGS84)

Site location context

Political divisions (FIPS codes)

Hartford(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glastonbury(quadrangle 1:24,000 scale)

Hartford(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Outlet Connecticut River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Hartford

Commodities

Commodity Importance
Feldspar Primary

Comments on the commodity information

  • QUARRY AT NORTH END OF NORTHWARD TRENDING PEGMATITE DIKE, 1250 FEET LONG, 200 FEET WIDE, DIP PROBABLY VERTICAL. TOWARD SSW., PROSPECT PITS AT DISTANCES OF 225 FEET, 500 FEET, 750 FEET FROM NORTH QUARRY. ADDITIONAL QUARRY AT SOUTH END OF PEGMATITE OUTCROP, 950 FEET SSW. OF NORTH QUARRY. NOT SHOWN ON TOPO MAP.

Materials information

Materials Type of material
Feldspar Ore
Quartz Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -72.59896, 41.65527
ListMap

Economic information

Ore body information

  • Length 381M
    Width 200M

Controls for ore emplacement

  • Pegmatite Dike

Comments on the geologic information

  • GEOL.DESC: NUMEROUS SWARMS OF NORTH AND NORTHEAST TRENDING PEGMATITE DIKES IN MOSTLY THE COLLINS HILL SCHIST, AND ALSO SOME IN THE WESTWARD ADJACENT OLDER PRE-ORDOVICIAN MIDDLETOWN GNEISS, AND EASTWARD ADJACENT LOWER PALEOZOIC GLASTONBURY GRANITE GNEISS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years UNKNOWN

Mining district

District name Glastonbury

Comments on the production information

  • FIGURES LACKING BUT PRODUCTION PROBABLY SMALL.FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • FIGURES LACKING, PROBABLY LARGE AMOUNTS OF FELDSPAR AVAILABLE FROM DIKE SWARM FROM PEGMATITE; PART OF DIKE NOW HOUSING DEVELOPMENT WHICH RESTRICTS FUTURE MINING OPERATIONS.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    BROOKINS, D. G., 1970, "CONTRI. TO GEOCHRON. IN CONN., "CONN. GEOLOGICAL SURVEY, R. I. NO. 5, TEXT, PG. 12, 13

  • Production

    STUGARD, 1958

General comments

Subject category Comment text
Deposit STUGARD'S MAP AT 1:24000 LOCATES QUARRIES AND PROSPECT PITS. PART OF AREA NOW HOUSING DEVELOPMENT. GEOCHRON DATES ON SIMILAR PEGMATITE DIKES ABOUT 260 M. Y. ACCORDING TO BROOKINS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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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