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Feldspar Pegmatite Quarry No. Cj-033

Past Producer in Middlesex 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 10067601
MRDS ID W000391
Record type Site
Current site name Feldspar Pegmatite Quarry No. Cj-033

Geographic coordinates

Geographic coordinates: -72.57091, 41.57082 (WGS84)

Site location context

Political divisions (FIPS codes)

Middlesex(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Middle Haddam(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 Middlesex

Commodities

Commodity Importance
Feldspar Primary

Comments on the commodity information

  • QUARRY INFORMATION LACKING. STUGARD'S GEOL. MAP SHOWS SMALL PEGMATITE OUTCROP ABOUT 200 FEET LONG NE-SW, 50 FEET WIDE SE -NW.

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) -72.57091, 41.57082
ListMap

Economic information

Ore body information

  • Length 60.96M
    Width 50M

Controls for ore emplacement

  • Pegmatite Dike

Comments on the geologic information

  • GEOL.DESC: DIKE RELATED TO NUMEROUS SWARMS OF NORTHWARD TRENDING DIKES MOSTLY IN NORTH TRENDING COLLINS HILL SCHIST; DIKES ALSO PRESENT IN LOWER PALEOZOIC GLASTONBURY GRANITE GNEISS AND PRE-ORDOVICIAN MIDDLETOWN 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 Portland

Comments on the production information

  • FIGURES LACKING BUT PRODUCTION PROBABLY SMALL. PRODUCED FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • FIGURES LACKING BUT SMALL SIZE OF DIKE WOULD PROBABLY ONLY YIELD SMALL AMOUNT OF FELDSPAR.

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, PG., 12,1

  • Production

    STUGARD, 1958

General comments

Subject category Comment text
Deposit STUGARD'S GEOL. MAP AT 1:24000 LOCATES QUARRY BY SYMBOL. BROOKINS' GIVES GEOCHRON AGE DATES OF ABOUT 260 M.Y. FOR SIMILAR PEGMATITES. ; 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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