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Kopp Quartz Monzonite Rock Quarries

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 10067746
MRDS ID W000576
Record type Site
Current site name Kopp Quartz Monzonite Rock Quarries
Related records 10264991

Geographic coordinates

Geographic coordinates: -72.02089, 41.37943 (WGS84)

Site location context

Political divisions (FIPS codes)

New London(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Uncasville(quadrangle 1:24,000 scale)

New Haven(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Thames(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(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

  • IN 1911 OPERATOR JACOB K. KOPP. QUARRY OPENED IN 1890. UNDEVELOPED. MEDIUM GREENISH GRAY COLOR, EVEN GRAINED TO VERY FINE GRANITIC TEXTURE. GRANITE DIKE ABOUT 2000 FEET LONG, LESS THAN 50 FEET WIDE, STRIKES N. 50 DEG. EAST, MODERATE DIP TO SE. ADDITIONAL SMALL QUARRY LOCATED ABOUT 200 FEET SSW., ADJACENT TO EAST SIDE OF GRANITE DIKE IN COUNTRY ROCK OF GNEISS.

Materials information

Materials Type of material
Biotite Gangue
Microcline Gangue
Muscovite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -72.02089, 41.37943
ListMap

Economic information

Ore body information

  • Length 609.6M
    Width 50M

Controls for ore emplacement

  • Intrusive Granitic Dike; Part Of Dike Cluster.

Comments on the geologic information

  • GEOL.DESC: COUNTRY ROCK OF PRE SILURIAN PLAINFIELD FORMATION; A DARK GREEN HORNBLENDE, BIOTITE, QUARTZ, PLAGIOCLASE GNEISS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1890
Production years ABOUT 1890

Mining district

District name Groton

Ownership information

  • Type Operator
    Owner Kopp, Jacob K.
    First year 1911

Comments on the production information

  • FIGURES LACKING BUT ONLY SMALL PRODUCTION OF MONUMENT STONE

Comments on the reserve resource information

  • FIGURES LACKING, BUT LARGE VOLUME OF ROCK REMAINS IN LONG DIKE.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    GOLDSMITH, R., 1967, "BEDROCK GEOL. MAP UNCASVILLE QUAD.", USGS, GQ 576

  • Production

    DALE, 1911.

General comments

Subject category Comment text
Deposit GOLDSMITH'S MAP AT 1:24000 LOCATES QUARRIES BY SYMBOL. ; 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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