Feldspar Pegmatite Quarries No. Cj-013

Past Producer in Hartford county in Connecticut, United States with commodity Feldspar
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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10067697
MRDS ID W000498
Record type Site
Current site name Feldspar Pegmatite Quarries No. Cj-013
Related records 10191937

Geographic coordinates

Geographic coordinates: -72.56202, 41.67804 (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

  • TOPO SHOWS TRENCH TRENDING NORTHEAST ABOUT 600 FEET LONG, 25 TO 100 FEET WIDE, ABOUT 30 FEET DEEP. ANOTHER FELDSPAR QUARRY IS SHOWN 300 FEET TO NORTHWEST ON SMALL PEGMATITE DIKE ALSO TRENDING NORTHEAST AND ABOUT 400 FEET LONG AND 50 FEET WIDE.

Materials information

Materials Type of material
Feldspar Ore
Quartz Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Early Cambrian
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -72.56202, 41.67804

Economic information

Controls for ore emplacement

  • Pegmatite Dikes

Comments on the geologic information

  • GEOL.DESC: DIKES INTRUDE GLASTONBURY GRANITE GNEISS MASSIF. DIKE PART OF NUMEROUS SWARMS IN NORTH TRENDING ZONE.

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 OF PEGMATITE PROBABLY ABOUT 50,000 TONS FROM BOTH WORKINGS.

Comments on the reserve resource information

  • FIGURES LACKING BUT PROBABLY LARGE AMOUNTS OF PEGMATITE ORE REMAIN IN DIKE SWARM.

Workings at the site

  • Type of workings Unknown
    Overall length 182.88M
    Overall width 30.48M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    STUGARD, JR., F., 1958, "PEGMATITES OF MIDDLETOWN, CONN.", USGS BULL. 1042Q, MAP, TEXT

General comments

Subject category Comment text
Deposit USGS TOPO, 1964, "GLASTONBURY", AT 1:24000, SHOWS QUARRY AS TRENCH. GEOCHRON DATE ON SIMILAR NEARBY PEGMATITE DIKE IS ABOUT 260 M. Y. ON PG. 651 OF STUGARD'S TEXT. ; 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.