Myra Falls Complex

Producer in Canada with commodities Copper, Gold, 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. Mining district
  11. Mineral rights holdings
  12. Ownership information
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10303592
MAS/MILS ID 1220140001
Record type Site
Current site name Myra Falls Complex
Alternate or previous names Myra Mine, Paramount, Price, Buttle Lake

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -125.59308, 49.57477 (WGS84)
Elevation 400
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country
Canada

Commodities

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

Materials information

Materials Type of material
Barite Unknown
Bornite Unknown
Calcite Unknown
Chalcopyrite Unknown
Chlorite Unknown
Galena Unknown
Gold Unknown
Pyrite Unknown
Quartz Unknown
Sericite Unknown
Silver Unknown
Sphalerite Unknown
Talc Unknown

Nearby scientific data

Ore Body (1) -125.59308, 49.57477

Economic information

Ore body information

  • Depth to top 100M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 SHEAR ZONE
    Shape of Orebody #2 IRREGULAR
    Type of Orebody #3 DISSEMINATED
    Shape of Orebody #3 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 830713

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Year of first production 1967
Milling method Flotation

Mining district

District name Alberni

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Private Lease

Ownership information

  • Type Owner-Operator
    Owner Westmin Resources Ltd. (Formerly Western Mines Ltd.)
    Interest 100
    Home office Canada
    Year 1981

Comments on the ownership information

  • BRASCAN LIMITED OWNS 84% OF WESTMIN RESOURCES LTD.

Comments on the production information

  • GOLD AND SILVER CREDITS ARE OBTAINED FROM THE LEAD AND COPPER CONCENTRATES.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Measured 1091799mt ore
    Demonstrated 1091799mt ore
    Total resources 1091799mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.7 wt-pct Zinc Major 1980
    Lead Pb 1 wt-pct Lead Minor 1980
    Copper Cu 1.1 wt-pct Copper Major 1980
    Silver Ag 93.5 g/mt Silver Minor 1980
    Gold Au 1.99 g/mt Gold Minor 1980
  • Type In-situ
    Estimate year 1980
    Indicated 5314399mt ore
    Demonstrated 5314399mt ore
    Inferred 2714600mt ore
    Total resources 8028999mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4.9 wt-pct Zinc Major 1980
    Lead Pb 0.2999 wt-pct Lead Minor 1980
    Copper Cu 2.1 wt-pct Copper Major 1980
    Silver Ag 28.35 g/mt Silver Minor 1980
    Gold Au 1.9799 g/mt Gold Minor 1980
  • Type In-situ
    Estimate year 1986
    Indicated 11948000mt ore
    Demonstrated 11948000mt ore
    Total resources 11948000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 6.47 wt-pct Zinc Major 1986
    Lead Pb 0.34 wt-pct Lead Minor 1986
    Copper Cu 1.5899 wt-pct Copper Major 1986
    Silver Ag 46.97 g/mt Silver Minor 1986
    Gold Au 2.67 g/mt Gold Minor 1986
  • Type In-situ
    Estimate year 1993
    Demonstrated 11220000mt ore
    Total resources 11220000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 5.1 wt-pct Zinc Major 1993
    Lead Pb 0.4 wt-pct Lead Minor 1993
    Silver Ag 38.5 g/mt Silver Minor 1993
  • Type In-situ
    Estimate year 1995
    Demonstrated 12526235mt ore
    Inferred 2187854mt ore
    Total resources 14714089mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.1 wt-pct Zinc Major 1995
    Copper Cu 1.9 wt-pct Copper Major 1995
    Silver Ag 46.1 g/mt Silver Minor 1995
    Gold Au 2 g/mt Gold Minor 1995
  • Type In-situ
    Estimate year 1995
    Demonstrated 12526235mt ore
    Inferred 2187854mt ore
    Total resources 14714089mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 7.1 wt-pct Zinc Major 1995
    Copper Cu 1.9 wt-pct Copper Major 1995
    Silver Ag 46.1 g/mt Silver Minor 1995
    Gold Au 2 g/mt Gold Minor 1995

Comments on the reserve resource information

  • CMH, 1988-89, P467. (12/31/87) CMH, 1987-88, (12/31/86) PAH-REPORT
  • INCLUDES THE LYNX, MYRA, PRICE, AND HW MINES. MYRA RESOURCES ARE EXHAUSTED AND MINE CLOSED OCT. 1985. PRICE IS STILL AN EXPLORED DEPOSIT.
  • MATRIX ONE RESERVES ARE OF THE LYNX AND MYRA MINES. PA&H/M: PINCOCK, ALLEN & HOLT, INC./MAFO. MATRIX TWO RESERVES ARE OF THE H-W SITE. MATRIX THREE RESERVES ARE OF THE ENTIRE PROPERTY. M3C1=M1C1 + M2C1. M9C6=M3C1, M9C6=M9C5 + M9C4. M9C6 RESERVES ARE FOR ENTIRE PROPERTY.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Capacity 1154
    Capacity Units MT ORE/DAY
    Unit Production Cost 35.54
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981
  • Type of workings Underground
    Overall depth 345M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Capacity 3462
    Capacity Units MT ORE/DAY
    Unit Production Cost 31.84
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1981

Comments on other economic factors

  • CONCENTRATES ARE TRUCKED 89 KM TO THE PORT AT CAMPBELL RIVER

Reference information

Bibliographic references

  • Deposit

    ECCLES, AL, WESTERN MINES MYRA FALLS POLLUTION CONTROL

  • Deposit

    MEASURES; CANADIAN MINING JOURNAL, MARCH, 1977, P.15,18.

  • Production

    ECCLES, A.G., WESTERN MINES LIMITED; D.E. PICKETT, ED.,

  • Production

    IN MILLING PRACTICE IN CANADA, CIM SPECIAL VOLUME 16,

  • Production

    1978, P.200-203.

  • Reserve-Resource

    NORTHERN MINER, APR. 23, 1981. "WESTERN EXPANDS EXPLORA-

  • Reserve-Resource

    TION."

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,

  • Reserve-Resource

    P. 38, 43, 48.

  • Reserve-Resource

    WESTMIN RESOURCES LTD., 1994 ANNUAL REPORT, P.10.

  • Deposit

    CANADIAN MINING JOURNAL, FEB, 1975, P 82.

  • Deposit

    CANADIAN MINING JOURNAL, 1974 REF MAN & BUYERS GUIDE, P 20,

  • Deposit

    MINISTER OF MINES, BC ANN REPT., 1964-1968.

  • Deposit

    BC DEPT OF MINES AND PET. RES, GEM, 1969-1973.

  • Deposit

    CANDIAN MINES HANDBOOK, 1974-1975, P 342-3.

  • Deposit

    WESTERN MINES LTD. STAFF, MYRA FALLS OPERATIONS; IN MINERAL

  • Deposit

    INDUSTRIES IN WESTERN CANADA, THE TENTH COMMONWEALTH

  • Deposit

    MINING AND METALLURGICAL CONGRESS- SEPT. 2-28, 1974,

  • Deposit

    SECTION VI, ARTICLE U, P.1-16.

  • Deposit

    DUVAL, DAVID, "WESTERN'S LATEST DRILLING INDICATES NEW ORE

  • Deposit

    SYSTEM", THE NORTHERN MINER, APRIL 3, 1980, PP. 1,4.

  • Deposit

    MINERAL RESOURCES BRANCH, DEPARTMENT OF ENERGY, MINES AND

  • Deposit

    RESOURCES, "PARAMOUNT (MYRA) (PAW)", OTTAWA, CANADA, 1980.

  • Deposit

    RESOURCES, "LYNX (BUTTLE LAKE)", OTTAWA, CANADA, JUNE 1980

  • Deposit

    RESOURCES, "PRICE (SHOT) (BOULDER)", OTTAWA, CANADA, JUNE

  • Deposit

    1980.

  • Deposit

    "NEW SHAFT AT BUTTLE LAKE, B.C.", MINING JOURNAL, APRIL 18,

  • Deposit

    1980, P. 313.

  • Deposit

    SERAPHIM, R.H., "WESTERN MINES-MYRA, LYNX, AND PRICE DEPOS-

  • Deposit

    ITS", CIM BULLETIN, DECEMBER, 1980, PP. 71-90.

  • Deposit

    STEPHENS, FRED H., "VANCOUVER ISLAND MINE REACHES MATURITY",

  • Deposit

    WESTERN MINER, OCT. 1970, PP. 54-67.

  • Deposit

    TENTH COMMONWEALTH MINING AND METALLURGICAL CONGRESS, "MYRA

  • Deposit

    FALLS OPERATIONS": MINERAL INDUSTRIES IN WESTERN CANADA,

  • Deposit

    SEPT. 2-28, 1974, PP. 1-16.

  • Deposit

    "TWO NEW DISCOVERIES", MINING JOURNAL, JULY 4, 1980, P. 17.

  • Deposit

    "WESTERN MINES DEVELOPMENT", MINING JOURNAL, FEB. 15, 1980,

  • Deposit

    PP. 118-119.

  • Deposit

    WESTERN MINES LTD., BUTTLE LAKE, B.C., COMPANY REPORT,

  • Deposit

    UNDATED.

  • Deposit

    WESTERN MINES LIMITED, ANNUAL REPORTS, 1970-1979.

  • Deposit

    "WESTERN MINES' MYRA FALLS POLLUTION CONTROL MEASURES",

  • Deposit

    CANADIAN MINING JOURNAL, MAR. 1977, PP. 15-18.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-MAR-1997 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines

Beyond USGS

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