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Joshua Granite Gneiss Rock Quarry

Past Producer in New London 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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10067781
MRDS ID W000616
Record type Site
Current site name Joshua Granite Gneiss Rock Quarry
Related records 10192314

Geographic coordinates

Geographic coordinates: -72.37673, 41.38055 (WGS84)

Site location context

Political divisions (FIPS codes)

New London(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deep River(quadrangle 1:24,000 scale)

New Haven(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Outlet Connecticut River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut New London

Commodities

Commodity Importance
Stone, Dimension Primary

Comments on the commodity information

  • QUARRY CLOSED ABOUT 1905. IN 1911 OPERATED BY JOSHUA ROCK GRANITE CO., CARE OF C.E. PRATT. QUARRY ADJACENT TO EAST BANK OF CONNECTICUT RIVER. WORKING FACE IS CLIFF WALL OVER 60 FEET HIGH. GNEISS FOLIATION STRIKES N. 75 TO 80 DEG. WEST, DIPS 45 DEG. NORTH 10 TO 15 DEG. EAST. STONE USED FOR CURBS AND TRIM. VARIGATED GRANITE OF MEDIUM TO DARK SLIGHTLY PURPLISH GRAY COLOR WITH FINE REDDISH, PINKISH, GREENISH AND BLACKBAND, WITH FINE GNEISSOSE TEXTURE.

Materials information

Materials Type of material
Albite Gangue
Allanite Gangue
Magnetite Gangue
Microcline Gangue
Oligoclase Gangue
Pyroxene Gangue
Quartz Gangue
Zircon Gangue

Analytical data

Result MODAL ANALYSIS IN PERCENT FOR 8 SAMPLES OF NEW LONDON GRANITE GNEISS RANGE FOR QUARTZ 29.2 TO 40.2
Result PLAGIOCLASE 1..3 TO 5.0
Result K FELDSPAR 2.9 TO 39.2
Result BIOTITE N TO 4.0
Result OPAQUES CHIEFLY MAGNETITE AND ILMENITE N TO 2.1
Result NON-OPAQUES 0.1 TO 1.0

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Stratigraphic age (youngest) Late Ordovician

Nearby scientific data

(1) -72.37673, 41.38055
ListMap

Economic information

Ore body information

  • Strike N. 75 TO 80 DEG. WEST
    Dip 45 DEG. NORTH 10 TO 15 DEG. EAST.

Controls for ore emplacement

  • Metamorphosed Intrusive Granite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years CLOSED ABOUT 1905

Mining district

District name Lyme

Ownership information

  • Type Operator
    Owner Joshua Rock Granite Co. Care Of C. E. Pratt.

Comments on the production information

  • INFORMATION LACKING; PROBABLY SMALL PRODUCTION OF BUILDING STONE.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    LUNDGREN, L.W., 1963, "BEDROCK GEOL. DEEP RIVER QUAD.", CONN. GEOLOGICAL SURVEY, QR NO. 13, MAP, TEXT, P. 1

  • Production

    DALE, 1911

General comments

Subject category Comment text
Deposit LUNDGREN'S GEOL. MAP AT 1:24000; NO QUARRY LOCATIONS; MODAL ANALYSES P. 17. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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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