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Davidson Granite Gneiss Rock Quarry

Past Producer in New Haven 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. Host and associated rocks
  7. Nearby scientific data
  8. Controls for ore emplacement
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  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 10068205
MRDS ID W001153
Record type Site
Current site name Davidson Granite Gneiss Rock Quarry
Related records 10288816

Geographic coordinates

Geographic coordinates: -73.09315, 41.35749 (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)

Housatonic(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, Crushed/Broken Primary

Comments on the commodity information

  • IN 1911, OPERATOR ANSONIA TRAP ROCK CO. QUARRY 200 FEET LONG IN NW. TO SE. DIRECTION, 40 FEET WIDE, AND 40 FEET DEEP. GNEISS FOLIATION STRIKES NE., DIPS STEEPLY SE. 30 FOOT DIABASE DIKE CROSSES GNEISS PARALLEL TO FOLIATION. COLOR OF GRANITE DARK GRAY, MEDIUM TEXTURE, WITH PORPHYRITIC WHITE FELDSPAR. MOST FELDSPARS ARE TWINS.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -73.09315, 41.35749
ListMap

Economic information

Controls for ore emplacement

  • Metamorphosed Granitic Intrusive

Comments on the geologic information

  • GEOL.DESC: WITHIN CAMBRO ORDOVICIAN PROSPECT GNEISS FORMATION

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years ABOUT 1911

Mining district

District name Ansonia

Ownership information

  • Type Operator
    Owner Ansonia Trap Rock Co.

Comments on the production information

  • FIGURES LACKING, PROBABLY MODERATE AMOUNT OF ROCK AGGREGATE PRODUCED.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS BUT SITE ADJACENT OR PART OF MAJOR HIGHWAY.

Workings at the site

  • Type of workings Unknown
    Overall length 60.96M
    Overall width 12.19M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    ARMSTRONG, R. L., 1970, "CONTRI. TO GEOCHRON. IN CONN.", CONN. GEOLOGICAL SURVEY, R. I. NO. 5, MAP, TEXT, PG. 19 TO 27

  • Production

    DALE, 1911

General comments

Subject category Comment text
Deposit USGS, TOPO, 1964, "ANSONIA", AT 1:24000 SHOWS OLD SITE ADJACENT OR PART OF NEW MAJOR HIGHWAY. ; 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