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Potter Granite Gneiss Rock Quarry

Past Producer in New Haven county in Connecticut, United States with commodity Stone, Dimension
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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 10068201
MRDS ID W001149
Record type Site
Current site name Potter Granite Gneiss Rock Quarry
Related records 10288769

Geographic coordinates

Geographic coordinates: -73.0662, 41.34443 (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, Dimension Primary

Comments on the commodity information

  • IN 1911, OPERATOR WILLIAM POTTER. QUARRY OPENED ABOUT 1890. IN 1911, ABOUT 200 FEET LONG NORTH TO SOUTH, 150 FEET WIDE EAST TO WEST, AND FROM 10 TO 50 FEET DEEP, WITH WORKING FACE 50 FEET HIGH TO NORTHWEST. FOLIATION STRIKE N. 35 DEG. EAST, DIP 45 DEG. SOUTH, 55 DEG. EAST. SHEETS 6 INCHES TO 4 FEET THICK COINCIDE WITH FOLIATION. SOME PEGMATITE DIKES, LARGEST ONE FOOT THICK, CROSSES ENTIRE QUARRY, STRIKE N. 15 TO 22 DEG. WEST. GRANITE MEDIUM BLUISH GRAY COLOR, FINE GRAINED WITH FINELY GNEISSOSE TEXTURE, USED LOCALLY FOR CURBS, STEPS, COPING.

Materials information

Materials Type of material
Apatite Gangue
Garnet Gangue
Microcline Gangue
Oligoclase Gangue
Orthoclase Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -73.0662, 41.34443
ListMap

Economic information

Ore body information

  • Strike N. 35 DEG. EAST
    Dip 45 DEG. SOUTH, 55 DEG. EAST.
    Thickness 1.22M

Controls for ore emplacement

  • Metamorphosed Granitic Intrusive

Comments on the geologic information

  • GEOL.DESC: WITHIN CAMBRO ORDOVICIAN PROSPECT GNEISS FORMATION. PEGMATITE DIKE WITH QUARTZ, FELDSPAR, MUSCOVITE, BLACK TOURMALINE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1890
Production years 1890 TILL AT LEAST 1911

Mining district

District name Ansonia

Ownership information

  • Type Owner
    Owner Potter, William
    First year 1911

Comments on the production information

  • FIGURES LACKING, PRODUCTION PROBABLY MODERATE AMOUNT OF SMALL BUILDING STONE.

Comments on the reserve resource information

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

Workings at the site

  • Type of workings Unknown
    Overall length 60.96M
    Overall width 45.72M

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 DEPRESSION WITH PONDS. ARMSTRONG GIVES GEOCHRON AGE OF 320 M. Y. FOR PROSPECT GNEISS THERMAL EVENT. ; 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.

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