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Gneiss Rock Quarry No. Ei-013

Past Producer in Litchfield county in Connecticut, United States with commodity Stone
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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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10068177
MRDS ID W001123
Record type Site
Current site name Gneiss Rock Quarry No. Ei-013

Geographic coordinates

Geographic coordinates: -73.2101, 41.76471 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

West Torrington(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
Stone Primary

Comments on the commodity information

  • INFORMATION LACKING. THINLY INTERLAYERED MICA QUARTZ SCHIST AND MICA PLAGIOCLASE QUARTZ GNEISS.

Materials information

Materials Type of material
Gneiss Ore
Apatite Gangue
Biotite Gangue
Chlorite Gangue
Garnet Gangue
Kyanite Gangue
Magnetite Gangue
Muscovite Gangue
Oligoclase Gangue
Quartz Gangue
Sphene Gangue
Staurolite Gangue
Tourmaline Gangue
Zircon Gangue

Host and associated rocks

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

Nearby scientific data

(1) -73.2101, 41.76471
ListMap

Economic information

Controls for ore emplacement

  • Metamorphosed Sedimentary Rocks

Comments on the geologic information

  • GEOL.DESC: COMPLEX ASSEMBLAGE OF METASEDIMENTARY ROCKS CUT BY SYNTECTONIC AND POST TECTONIC MAFIC TO ACIDIC INTRUSIVES.

Economic information about the deposit and operations

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

Mining district

District name Litchfield

Comments on the production information

  • INFORMATION LACKING. PRODUCTION OF CONSTRUCTION STONE PROBABLY SMALL.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS BUT IS INTERLAYERED WITH MICA QUARTZ SCHIST OF POORER QUALITY FOR CONSTRUCTION STONE.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    GATES, R. M., 1965, "BEDROCK GEOL. WEST TORRINGTON QUAD.", CONN. GEOLOGICAL SURVEY, QUAD REPORT NO. 17, MAP, TEXT

  • Production

    COLTON, 1968.

General comments

Subject category Comment text
Deposit COLTON'S MAP AT 1:24000 LOCATES QUARRY BY SYMBOL. GATES' MAP AT 1:24000 DOES NOT LOCATE QUARRY ; INFO.SRC : 1 PUB LIT

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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