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Collins Granite Gneiss Rock Quarry

Past Producer in Fairfield county in Connecticut, United States with commodity Stone, Crushed/Broken
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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. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10068096
MRDS ID W001021
Record type Site
Current site name Collins Granite Gneiss Rock Quarry
Related records 10191986

Geographic coordinates

Geographic coordinates: -73.43761, 41.38499 (WGS84)

Site location context

Political divisions (FIPS codes)

Fairfield(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Danbury(quadrangle 1:24,000 scale)

Bridgeport(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 Fairfield

Commodities

Commodity Importance
Stone, Crushed/Broken Primary

Comments on the commodity information

  • QUARRY WORKED BY DANIEL W. MCNAMARA IN 1911. QUARRY IN 1911 150 FEET LONG, 75 FEET WIDE WITH WORKING FACE AT SOUTH END 40 FEET HIGH. GNEISS FOLIATION STRIKE N. 25 TO 35 DEG. WEST, AND DIP 80 DEG. NNE. TO VERTICAL. SOME PEGMATITE DIKES ONE FOOT THICK. IN OPERATION 18 YEARS. CRUSHED STONE PRODUCT FOR LOCAL USE. MEDIUM TO DARK BLUISH GRAY COLOR AND VERY FINE GNEISSOSE TEXTURE

Materials information

Materials Type of material
Biotite Gangue
Microcline Gangue
Oligoclase Gangue
Pyrite Gangue
Quartz Gangue
Zircon Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -73.43761, 41.38499
ListMap

Economic information

Ore body information

  • Strike N. 25 TO 35 DEG. WEST
    Dip 80 DEG. NNE. TO VERTICAL

Controls for ore emplacement

  • Metamorphosed Granitic Intrusive

Comments on the geologic information

  • GEOL.DESC: MAY BE INTRUSIVE INTO CAMBRO ORDOVICIAN MANHATTAN GNEISS FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years 1893 TO AT LEAST 1911

Mining district

District name Danbury

Ownership information

  • Type Operator
    Owner Daniel W. Mcnamara
    First year 1911

Comments on the production information

  • FIGURES LACKING BUT MODERATE QUANTITY OF CRUSHED STONE PROBABLY PRODUCED

Comments on the reserve resource information

  • FIGURES LACKING, LARGE VOLUME OF ROCK REMAINS BUT SITE IN DEVELOPED AREA.

Workings at the site

  • Type of workings Unknown
    Overall length 45.72M
    Overall width 22.86M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    DALE, T.N., 1911, "GRANITES OF CONN.", USGS, BULL. 484, MAP, TEXT, PG. 54,55

  • Production

    DALE, 1911

General comments

Subject category Comment text
Deposit USGS, TOPO, 1963, "DANBURY", AT 1:24000 SHOWS SITE AREA WITHIN HOUSING DEVELOPMENT ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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.

Maps centered on this site