Howard's Pass

Prospect in 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. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10303158
MAS/MILS ID 1220600024
Record type Site
Current site name Howard's Pass
Alternate or previous names Anniv Basin N62 D 31' W129 D 32', Op Zone N62 D 33' W129 D 35', Xy Zone N62 Deg 28' W129 Deg 11', Howard's Pass Deposits

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -129.18538, 62.44992 (WGS84)
Elevation 1650

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country
Canada

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -129.18538, 62.44992

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 3000
    Date of Last Modification 830812

Comments on the geologic information

  • SECONDARY ORE MINERALS ARE SMITHSONITE, CERRUSITE, HYDROZINCITE

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1972
Mining method Combined Methods

Ownership information

  • Type Owner
    Owner Placer Development Ltd.
    Interest 51
    Home office Canada
    Year 1979
  • Type Owner
    Owner U.S. Steel Corp.
    Interest 49
    Year 1979
  • Type Operator
    Owner Placer Develolpment Ltd
    Interest 100
    Home office Canada
    Year 1979

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Inferred 270000000mt ore
    Total resources 270000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.6 wt-pct Lead Major 1976
    Zinc Zn 6.4 wt-pct Zinc Major 1976

Comments on the reserve resource information

  • GRADE IS 5 - 10% COMBINED PB-ZN. OTHER NAME: SUMMIT LAKE.
  • MINE RECOVERY IS ESTIMATED AT 80%, DILUTION, 20%

Workings at the site

  • Type of workings Underground
    Overall depth 300M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 80
    Capacity 10000
    Capacity Units MT ORE/DAY
    Unit Production Cost 23.4
    Units of Production $/MT ORE
    Operating Days per Year 350
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

    ANNIS, R.C., D.A. CRANSTONE AND M. VALLEE, A SURVEY OF KNOWN

  • Reserve-Resource

    MINERAL DEPOSITS IN CANADA THAT ARE NOT BEING MINED;

  • Reserve-Resource

    ENERGY,MINES AND RESOURCES CANADA, MINERALS, MR 181,1978,

  • Reserve-Resource

    P.A43

  • Reserve-Resource

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

  • Reserve-Resource

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

  • Reserve-Resource

    AS OF JAN. 1, 1978, EMR CANADA, MINERALS, MR 185, 1979,

  • Reserve-Resource

    P.27.

  • Deposit

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

  • Deposit

    1979, P.212,231,232

  • Deposit

    AINSWOATH, B., KOWALCHUK, J.M., AND ROTHERHAM, D.C., A GEO-

  • Deposit

    CHEMICAL CASE HISTORY: THE HOWARD'S PASS PB/ZN DEPOSIT,

  • Deposit

    PLACER DEVELOPMENT LIMITED.

  • Deposit

    CANADIAN DEPT. OF INDIAN AND NORTHERN AFFAIRS, JAN. 1981,

  • Deposit

    HOWARD'S PASS

  • Deposit

    MINERAL POLICY SECTOR, DEPT. OF ENERGY, MINES AND RESOURCES,

  • Deposit

    1980, HOWARD'S PASS, OTTAWA, CANADA

  • Deposit

    MORGANTI, V.M., SEPT 1979, THE GEOLOGY AND ORE DEPOSITS OF

  • Deposit

    THE HOWARD'S PASS AREA, PHD THESIS, UNIV. OF BRITISH

  • Deposit

    COLUMBIA

General comments

Subject category Comment text
Deposit THE INFORMATION GIVEN IN THIS REPORT REFERS TO THE XY-ZONE. THE ANNIV BASIN IS 9KM NORTHWEST. IT CONTAINS 1.6 KMS OF MINERALIZATION BUT AT A LOWER GRADE; THE OP ZONE, 12 KM NORTHWEST, IS A LONG NARROW NW-STRIKING ZONE WITH 1.6 KMS OF FAVORABLE GEOLOGY. TRENCHING HAS EXPOSED ORE 30 METERS THICK WITH SOME 2-METER THICK SAMPLES ASSAYING 50% COMBINED ZN-PB.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Gazdik 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:

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.