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Upper Merryall Pegmatite Quarry

Producer in Litchfield county in Connecticut, United States with commodities Feldspar, Quartz
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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. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10067762
MRDS ID W000596
Record type Site
Current site name Upper Merryall Pegmatite Quarry

Geographic coordinates

Geographic coordinates: -73.43398, 41.62388 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Milford(quadrangle 1:24,000 scale)

Waterbury(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 Litchfield

Commodities

Commodity Importance
Feldspar Primary
Quartz Primary

Comments on the commodity information

  • INFORMATION LACKING. OWNED BY MAG MINING CORP., BREWSTER, N. Y.

Materials information

Materials Type of material
Feldspar Ore
Albite Gangue
Aquamarine Gangue
Bertrandite Gangue
Beryl Gangue
Columbite Gangue
Garnet Gangue
Hematite Gangue
Pyrolusite Gangue
Torbernite Gangue
Tourmaline Gangue
Uraninite Gangue
Quartz Unknown

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Early Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -73.43398, 41.62388
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Economic information

Controls for ore emplacement

  • Pegmatite Dike

Comments on the geologic information

  • GEOL.DESC: PEGMATITE DIKE IN WARAMAUG GNEISS FORMATION NEAR CONTACT WITH THE CAMBRIAN ORDOVICIAN STOCKBRIDGE MARBLE FORMATION.

Economic information about the deposit and operations

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

Mining district

District name New Milford

Ownership information

  • Type Operator
    Owner Mag Mining Corp., Brewstew. N. Y.

Comments on the production information

  • INFORMATION LACKING. PROBABLY ONLY SMALL PRODUCTION OF FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • INFORMATION LACKING. PROBABLY ONLY SMALL AMOUNT OF HIGH GRADE FELDSPAR ORE AVAILABLE.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    RYERSON, K. H., 1968, "ROCK HOUND'S GUIDE TO CONN.", THE PEQUOT PRESS, TEXT, P. 39

  • Production

    JANUZZI, 1959.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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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