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Buchans Mine

Past Producer in Newfoundland, Canada with commodities Copper, Gold, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mineral rights holdings
  9. Land status
  10. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10279162
MAS/MILS ID 1220250001
Record type Site
Current site name Buchans Mine
Alternate or previous names Maclean Mine, Buchans Unit, Rothermere Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -56.8564, 48.82706 (WGS84)
Elevation 270

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada Newfoundland

Commodities

Commodity Importance
Copper Secondary
Gold Secondary
Lead Primary
Silver Secondary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) -56.8564, 48.82706
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Asarco (American Smelting And Refining Co.)
    Interest 50
    Home office New York
    Year 1975
  • Type Owner
    Owner Terra Nova Properties Ltd.
    Interest 50
    Home office Canada
    Year 1975

Comments on the production information

  • TAILINGS FROM LEAD-ZINC OPERATION. PRODUCTION WAS 4,000 TONS IN 1982.

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Measured 391000mt ore
    Demonstrated 391000mt ore
    Total resources 391000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 7.46 wt-pct Lead Major 1978
    Zinc Zn 13.37 wt-pct Zinc Major 1978
    Copper Cu 1.1199 wt-pct Copper Minor 1978
    Silver Ag 128.5999 g/mt Silver Minor 1978
    Gold Au 0.93 g/mt Gold Minor 1978
  • Type In-situ
    Estimate year 1978
    Measured 77000mt ore
    Demonstrated 77000mt ore
    Total resources 77000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 1.36 wt-pct Lead Major 1978
    Zinc Zn 3.5 wt-pct Zinc Major 1978
    Copper Cu 1.2599 wt-pct Copper Minor 1978
    Silver Ag 20.6 g/mt Silver Minor 1978
    Gold Au 0.34 g/mt Gold Minor 1978
  • Type In-situ
    Estimate year 1990
    Measured 1500000mt ore
    Demonstrated 1500000mt ore
    Total resources 1500000mt ore
    Commodity Subtype Grade units Group Importance Year
    Barium-Barite BaSO4 35 wt-pct Barium 1990

Comments on the reserve resource information

  • REF:MINERAL BULLETIN # MR 189,CANADIAN RESERVES AS OF JAN. 1.1980 ENERGY MINES AND RESOURCES CANADA.
  • 86 BROOK-HUNT DATA ORE DEPLETED 84

Workings at the site

  • Type of workings Underground
    Overall depth 900M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Number of Shafts 2
    Capacity 1130
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Reference information

Bibliographic references

  • Production

    POWELL, C.R., ASARCO INCORPORATED, BUCHANS UNIT; D.E.

  • Production

    PICKETT, ED., IN MILLING PRACTICE IN CANADA, CIM SPECIAL

  • Production

    VOLUME 16, U.M,, P.157,158.

  • Production

    MAHER, W.H. AND C.R. POWELL, MILLING PRACTICE AT BUCHANS,

  • Production

    NEWFOUNDLAND; CIM BULL., JULY, 1966, P.864-871.

  • Reserve-Resource

    CRANSTONE, D.A. AND R.T. WHILLANS, CANADIAN RESERVES OF

  • Reserve-Resource

    COPPER NICKEL, LEAD, ZINC, MOLYBDENUM, SILVER AND GOLD AS

  • Reserve-Resource

    OF JAN. 1, 1978, EMR CANADA, MINERALS, 1979, P.8.

  • Reserve-Resource

    ANDREWS, P.R.A., AND R.K. COLLINGS. "BARYTES IN CANADA,"

  • Reserve-Resource

    INDUSTRIAL MINERALS, NO. , JANUARY 1990, P. 47.

  • Deposit

    THURLOW, J.G., E.A. SWANSON, AND D.F. STRONG, GEOLOGY AND

  • Deposit

    LITHOGEOCHEMISTRY OF BUCHANS POLYMETALLIC SULFIDE

  • Deposit

    DEPOSITS, NEWFOUNDLAND; ECONOMIC GEOLOGY, VOL. 70, 1975,

  • Deposit

    PP.130-144.

  • Deposit

    WORLD MINING, ASARCO AND PRICE CONTINUE TO MINE METAL ORE AT

  • Deposit

    BUCHANS, NOV., 1976, P.74.

General comments

Subject category Comment text
Deposit 76-RCD-011-THE BUCHANS UNIT IS MADE UP OF THE MACLEAN AND TH ROTHERMERE MINES. 76-RCD-020-NAME CHANGED FROM AMERICAN SMELTING & REFINING CO ASARCO INC. APRIL,1975. 76-RCD-030-LOCATED 5 MI. NO. OF RED INDIAN LAKE, CENTRAL NFL 76-RCD-601-RESERVES ARE AS OF DEC. 31,1974. GRADES ARE APPRO 76-RCD-030-LOCATION TAKE FROM DMA MAP NO. 12A, RED INDIAN LA

Reporter information

Type Date Name Affiliation Comment
Reporter 18-SEP-1992 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Asarco (American Smelting And Refining Co.) — acquired by Asarco LLC, subsidiary of Grupo México (2009)
    American Smelting and Refining Co. Filed Chapter 11 in 2005; acquired out of bankruptcy by Grupo México in 2009.

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

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