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Gneiss Rock Quarries No. Ek-033

Past Producer in New Haven 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. 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 10068184
MRDS ID W001131
Record type Site
Current site name Gneiss Rock Quarries No. Ek-033
Related records 10264450

Geographic coordinates

Geographic coordinates: -73.06287, 41.25277 (WGS84)

Site location context

Political divisions (FIPS codes)

New Haven(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ansonia(quadrangle 1:24,000 scale)

Bridgeport(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Quinnipiac(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut New Haven

Commodities

Commodity Importance
Stone Primary

Comments on the commodity information

  • INFORMATION LACKING. SCHISTOSITY STRIKES N. 30 DEG. EAST, DIP ABOUT 75 DEG. NW. INTERBANDED MEDIUM TO FINE GRAINED ROCKS. ADDITIONAL QUARRY LOCATED 500 FEET DUE SOUTH.

Materials information

Materials Type of material
Gneiss Ore
Schist Ore
Actinolite Gangue
Albite Gangue
Calcite Gangue
Chlorite Gangue
Clinozoisite Gangue
Garnet Gangue
Hornblende Gangue
Kyanite Gangue
Muscovite Gangue
Quartz Gangue
Staurolite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -73.06287, 41.25277
ListMap

Economic information

Ore body information

  • Strike N. 30 DEG. EAST
    Dip 75 DEG. NW.

Controls for ore emplacement

  • Metamorphosed Sedimentary Beds

Comments on the geologic information

  • GEOL.DESC: WEPAWAUG INTERBANDED ARGILLACEOUS, SILICEOUS AND MINOR CALCAREOUS METASEDIMENTARY ROCKS. ACCESSORY MINERALS ARE PYRITE, RUTILE, TOURMALINE, APATITE, ZIRCON, CARBON.

Economic information about the deposit and operations

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

Mining district

District name Milford

Comments on the production information

  • INFORMATION LACKING; PROBABLY ONLY SMALL AMOUNT OF GOOD CONSTRUCTION STONE PRODUCED.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF INTERBANDED GOOD TO POOR CONSTRUCTION STONE AVAILABLE.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    FRITTS, C. E., 1965, "BEDROCK GEOL. ANSONIA QUAD.", USGS, GQ 426, VERY BRIEF TEXT

  • Production

    FRITTS, 1965.

General comments

Subject category Comment text
Deposit FRITTS' MAP AT 1:24000 LOCATES QUARRIES BY SYMBOL. ; 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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