Cirque Stronsay

Prospect in British Columbia, Canada with commodities Lead, Silver, Zinc
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. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10279214
MAS/MILS ID 1220100081
Record type Site
Current site name Cirque Stronsay
Alternate or previous names Cirque

Geographic coordinates

Geographic coordinates: -125.13494, 57.49987 (WGS84)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Primary

Materials information

Materials Type of material
Barite Unknown
Galena Unknown
Pyrite Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

(1) -125.13494, 57.49987

Economic information

Ore body information

  • Thickness 30M
    Length 350M
    Width 400M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STRATIFORM
    Shape of Orebody #1 TABULAR
    Primary mode of Origin UNKNOWN
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. NONE
    Date of Last Modification 830708

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1979
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Milling method Flotation

Ownership information

  • Type Owner-Operator
    Owner Hudson Bay Oil And Gas Co.
    Interest 50
    Home office Canada
    Year 1979
  • Type Owner-Operator
    Owner Cyprus Anvil Mining Corp
    Interest 50
    Home office Canada
    Year 1979

Comments on the production information

  • PRODUCT OUTPUT, MT CONC./DAY: ZN, 588; PB, 117; AG, 0.19.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Indicated 18000000mt ore
    Demonstrated 18000000mt ore
    Inferred 15000000mt ore
    Total resources 33000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.3 wt-pct Lead Major 1980
    Zinc Zn 7.9 wt-pct Zinc Major 1980
    Silver Ag 49 g/mt Silver Major 1980

Comments on the reserve resource information

  • ADDED TO ORIG. CONTRACT DUE TO PRESENCE OF SIGNIFICANT RESOURCES.
  • 85% MINE RECOVERY. 15% DILUTION.

Workings at the site

  • Type of workings Underground
    Overall depth 400M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Capacity 5833
    Capacity Units MT ORE/DAY
    Unit Production Cost 29.25
    Units of Production $/MT ORE
    Operating Days per Year 300
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    *CRU MONITOR, LEAD, AUG. 1991, P. 8.

  • Reserve-Resource

    MACINTYRE, D.G., MARCH 12, 1980, GEOLOGIC SETTING OF

  • Reserve-Resource

    RECENTLY DISCOVERED SHALE-HOSTED BARITE-LEAD-ZINC

  • Reserve-Resource

    OCCURRENCES, NORTHEAST BRITISH COLUMBIA, P. 1-11.

  • Reserve-Resource

    SPATE OF NEW MINES, OCTOBER 10, 1980, MINING JOURNAL, P. 286

  • Deposit

    CANADIAN MINES HANDBOOK 1979-80, NORTHERN MINER PRESS LTD.,

  • Deposit

    P.88

  • Deposit

    NORTHERN MINER, CYPRUS ANVIL, HUDSON'S BAY OIL LEAD-ZINC-

  • Deposit

    SILVER DISCOVERY; AUG. 2, 1979, P.A24.

  • Deposit

    NORTHERN MINER, SUBSTANTIAL PROFIT FOR CYPRUS ANVIL; AUG.23,

  • Deposit

    1979, P.3.

  • Deposit

    WALL STREET JOURNAL, HUDSON'S BAY OIL GIVES MORE DETAILS ON

  • Deposit

    FIND OF LEAD, ZINC, SILVER; NOV.? , 1979, P.?

  • Deposit

    WORLD MINING, DEC. 1981, P. 68-69

  • Deposit

    E/MJ, MAY 1982, P. 13.

  • Deposit

    E/MJ, JAN. 1980, P. 11-12.

  • Deposit

    NORTHERN MINER, FEBL 19, 1981, P. 24.

  • Deposit

    NORTHERN MINER, AUG. 23, 1979, P. 3.

  • Deposit

    WESTERN MINER, JAN. 1981, P. 55-56.

  • Deposit

    CYPRUS ANVIL, 1979-80 ANNUAL REPORT AND INTERIM REPORTS.

  • Deposit

    CYPRUS ANVIL, APRIL 15, 1979, PROSPECTUS.

  • Deposit

    MACINTYRE, D.G., JAN. 1981, NORTHEAST BRITISH COLUMBIA,

  • Deposit

    CIRQUE BA-ZN-PB-AG DEPOSIT (94F/6, 11), BRITISH

  • Deposit

    COLUMBIA MINISTRY OF ENERGY, MINES, AND RESOURCES.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-MAY-1994 Rfb U.S. Bureau of Mines

Beyond USGS

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