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  3. Mineral Resource Data System (MRDS)

Macassa

Occurrence in Ontario, Canada with commodities Copper, Nickel, Cobalt, PGE
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10039320
MRDS ID M046952
Record type Site
Current site name Macassa

Geographic coordinates

Geographic coordinates: -77.7205, 44.87081 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kingston(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada Ontario

Commodities

Commodity Importance
Copper Primary
Nickel Critical Primary
Cobalt Critical Primary
PGE Critical Tertiary

Comments on the commodity information

  • 1970

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) -77.7205, 44.87081
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Economic information

Geologic structures

Type of structure Local
Structure description Folding

Ore body information

  • Dip STEEP

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No
Discovery year 1961

Mining district

District name Ontario

Ownership information

  • Type Owner
    Owner Willroy Gold M.L

Comments on the workings information

  • DEPOSIT OPEN AT DEPTH BELOW 1100 FEET (CA. MINES HNDBK. STATES 1,200 FT. DEPTH). NO WORK SINCE 1970 .

Comments on development

  • ECON.COM: HIGH COST OF METALLURGICAL TREATMENT HAS HINDERED DEVELOPMENT.

Reference information

Bibliographic references

  • Deposit

    ANNIS, CRANSTONE, AND VALLEE, KNOWN MIN. CA., 1978 : DEPT. ENERGY, MINES RESOURCES CA., BULL. MR 181

  • Deposit

    CANADIAN MINES HANDBOOK, 1973 - 74 : NO. MINER, P. 354

  • Reserve-Resource

    ANNIS ETAL, 1978 , KNOWN MIN. CA. NOT MINED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 Saso, Jerri L. U.S. Geological Survey

Beyond USGS

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

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