Great Hill

Past Producer in Middlesex county in Connecticut, United States with commodities Cobalt, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10216270
MAS/MILS ID 0090070001
Record type Site
Current site name Great Hill
Alternate or previous names Cobalt Mine, Chatham Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -72.50371, 41.58329 (WGS84)
Elevation 121
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Middlesex(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Middle Haddam(quadrangle 1:24,000 scale)

Hartford(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 Middlesex

Commodities

Commodity Importance
Cobalt Critical Tertiary
Nickel Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Gersdorffite Unknown
Niccolite Unknown
Pyrite Unknown

Nearby scientific data

Ore Body (1) -72.50371, 41.58329

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 UNKNOWN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control UNKNOWN
    Date of Last Modification 820331

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1762

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    BROEDEL,CH,AND CORNWALL,HR,1954 NICKEL AND COBALT IN NEW ENG

  • Deposit

    AND NEW YORK,NEW ENGLAND-NEW YORKINTER-AGENCY COMMITTEE:MINE

  • Deposit

    RESOURCES STUDY AND REPORT GROUP,PP 32-42.

General comments

Subject category Comment text
Deposit CONTRACT NUMBER JO155043 ENTERED 1976.REVISIONS BY DK HARRIS 1976. REC 080 COLS 35-75 THERE ARE NO PRECISE DIMENSIONS GIVEN. REC 010 COMMODITIES-ACCORDING TO BROEDEL AND CORNWALL REC 70 THE AVERAGE CONTENT OF NICKEL AND CO. IN ORE AS MINED WAS 2. 1975:DATE OF COMMENTS. THE LOCALITY COULD NOT BE PINPOINTED-SEE HADDAM CONN. 7.5 MIN. TOPO. WITH SUMMARY FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Dunn, George U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.