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Granitic Gneiss Rock Quarry No. Ek-013

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 10068202
MRDS ID W001150
Record type Site
Current site name Granitic Gneiss Rock Quarry No. Ek-013
Related records 10216138

Geographic coordinates

Geographic coordinates: -73.07786, 41.35471 (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 Primary

Comments on the commodity information

  • INFORMATION LACKING. TOPO SHOWS QUARRY EXTENDING 200 FEET NE. INTO HILLSIDE, AND 100 FEET SE. INTO HILLSIDE. GRANITIC GNEISS MEDIUM GRAINED, WELL FOLIATED, WELL LINEATED, VERY PALE BLUISH GRAY TO YELLOWISH GRAY. GRANITIC BODY ABOUT 5600 FEET LONG, LESS THAN 900 FEET WIDE, WITH FOLIATION STRIKE N. 30 DEG. EAST, DIP 50 DEG. SE.

Materials information

Materials Type of material
Gneiss Ore
Apatite Gangue
Biotite Gangue
Garnet Gangue
Microcline Gangue
Muscovite Gangue
Quartz Gangue
Tourmaline Gangue
Zircon Gangue

Host and associated rocks

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

Nearby scientific data

(1) -73.07786, 41.35471
ListMap

Economic information

Ore body information

  • Strike N. 30 DEG. EAST
    Dip 50 DEG. SE.

Controls for ore emplacement

  • Metamorphosed Granitic Intrusive

Comments on the geologic information

  • GEOL.DESC: MICROCLINE CONTENT HIGHEST WHERE ASSOCIATED WITH OLDER CAMBRIAN ORDOVICIAN METAMORPHOSED GRANITIC INTRUSIVE PROSPECT GNEISS; ELSE MORE PLAGIOCLASE. ANSONIA GNEISS GRANITIC TO QUARTZ DIORITIC BUT COMMONLY QUARTZ MONZONITE GNEISS. XENOLITHS COMMON.

Economic information about the deposit and operations

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

Mining district

District name Ansonia

Comments on the production information

  • INFORMATION LACKING. PROBABLY MODERATE AMOUNT OF CONSTRUCTION STONE PRODUCED.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS; SITE ADJACENT TO URBAN AREA.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    ARMSTRONG, R. L., 1970, "CONTRI. TO GEOCHRON. CONN.", CONN. GEOLOGICAL SURVEY, R. I. NO. 5, MAP, TEXT, PG. 19 TO 28

  • Production

    FRITTS, 1965.

General comments

Subject category Comment text
Deposit FRITTS' MAP AT 1:24000 LOCATES QUARRIES BY SYMBOL. USGS, TOPO, 1964, "ANSONIA" AT 1:24000 SHOWS QUARRIES BY TOPOGRAPHY. ARMSTRONG GIVES GEOCHRON DATE OF ANSONIA AS 321 M. Y., MISSISSIPPIAN. ; 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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