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Gneiss Rock Quarry No. Ei-003

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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10105507
MRDS ID W001113
Record type Site
Current site name Gneiss Rock Quarry No. Ei-003
Related records 10215938

Geographic coordinates

Geographic coordinates: -73.03314, 41.91442 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Winsted(quadrangle 1:24,000 scale)

Waterbury(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Farmington River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(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. TOPO SHOWS QUARRY ABOUT 200 FEET LONG, 100 FEET WIDE WITH WORKING FACE TO NORTH ABOUT 110 FEET HIGH IN STEEP VALLEY SLOPE MORE THAN 200 FEET HIGH.
  • VERY SMALL TONNAGE MINED IN LATE 1930'S

Materials information

Materials Type of material
Gneiss Ore

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 > Gneiss

Nearby scientific data

(1) -73.03314, 41.91442
ListMap

Economic information

Controls for ore emplacement

  • Metamorphosed Sedimentary And Igneous Rocks

Comments on the geologic information

  • GEOL.DESC: THREE MAJOR ROCK TYPES; COARSE GRAINED, INTENSELY DEFORMED BIOTITE QUARTZ GNEISS WITH GARNET, MICROCLINE, PLAGIOCLASE, SILLIMANITE; USUALLY REGULARLY BANDED FELDSPATHIC MICA QUARTZITE OR GNEISS OF BIOTITE, QUARTZ, PLAGIOCLASE; AND MEDIUM TO COARSE GRAINED GNEISSIC AND DEFORMED GRANITE OF QUARTZ, MICROCLINE, OLIGOCLASE WITH MINOR BIOTITE, MUSCOVITE, AND GARNET.

Economic information about the deposit and operations

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

Mining district

District name Barkhamsted

Comments on the production information

  • INFORMATION LACKING. SIZE OF PIT INDICATES MODERATE AMOUNT OF CONSTRUCTION STONE PRODUCED.
  • VERY SMALL PRODUCTION FOR EXPERIMENTAL TESTING

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS.
  • POTENTIAL RESOURCES OF KAOLIN OCCUR IN THIS DISTRICT.

Workings at the site

  • Type of workings Unknown
    Overall length 60.96M
    Overall width 30.48M

Comments on development

  • TOTAL$: US
  • LENS ENCLOSED BY KAOLIN ONE AUGER HOLE WAS IN KAOLIN AT DEPTH OF 127 FT.

Reference information

Bibliographic references

  • Deposit

    WARREN, C. R., 1970, "SURFICIAL GEOL. WINSTEAD QUAD.", USGS, GQ 871

  • Production

    WARREN, 1970

General comments

Subject category Comment text
Deposit WARREN'S MAP AT 1:24000 LOCATES QUARRY BY SYMBOL. USGS, TOPO, 1969, "WINSTEAD", AT 1:24000 SHOWS QUARRY BY TOPOGRAPHY. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-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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