Mica Quartzite Or Hornblende Gneiss Quarry No. Fj-023

Past Producer in Litchfield county in Connecticut, United States with commodity Stone
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 10067761
MRDS ID W000595
Record type Site
Current site name Mica Quartzite Or Hornblende Gneiss Quarry No. Fj-023
Related records 10167166

Geographic coordinates

Geographic coordinates: -73.25121, 41.62666 (WGS84)

Site location context

Political divisions (FIPS codes)

Litchfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Preston(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. MICA QUARTZITES AND SCHISTS WITH SMALL CONCORDANT BODIES OF INTRUSIVE HORNBLENDE GNEISS. STRIKE OF SCHISTOSITY N. 30 DEG. EAST, DIP 40 DEG. NW.

Materials information

Materials Type of material
Biotite Gangue
Cordierite Gangue
Garnet Gangue
Kyanite Gangue
Magnetite Gangue
Muscovite Gangue
Quartz Gangue
Staurolite Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Early Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -73.25121, 41.62666

Economic information

Ore body information

  • Strike N. 30 DEG.
    Dip 40 DEG. NW.

Controls for ore emplacement

  • Metamorphosed Sedimentary Beds; Mafic Intrusives

Comments on the geologic information

  • GEOL.DESC: BODIES OF HORNBLENDE GNEISS SYNTECTONIC

Economic information about the deposit and operations

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

Mining district

District name Bethlehem

Comments on the production information

  • INFORMATION LACKING. PROBABLY ONLY SMALL PRODUCTION OF STONE.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF MICA QUARTZITES AND HORNBLENDE GNEISS REMAIN IN AREA.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    GATES, R. M., 1952, "BEDROCK GEOL. NEW PRESTON QUAD.", CONN. GEOLOGICAL SURVEY, MISC. SERIES NO. 5, MAP, TEXT

  • Production

    COLTON, 1969; GATES, 1952

General comments

Subject category Comment text
Deposit COLTON'S MAP AT 1:24000 LOCATES QUARRY BY SYMBOL; DOES NOT GIVE ROCK TYPE. GATES' MAP AT 1:31680; DOES NOT SHOW QUARRIES. ; 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.