Brandywine Mine

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

Geologic information

Identification information

Deposit ID 10157758
MAS/MILS ID 1220100025
Record type Site
Current site name Brandywine Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -123.10132, 50.1298 (WGS84)
Elevation 300

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
Gold Primary
Lead Secondary
Silver Primary
Zinc Critical Secondary

Nearby scientific data

Ore Body (1) -123.10132, 50.1298

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Ownership information

  • Type Owner-Operator
    Owner Northair Mines, Ltd.
    Home office Canada
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Measured 192000mt ore
    Demonstrated 192000mt ore
    Total resources 192000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 19.4499 g/mt Gold Major 1977
    Silver Ag 189 g/mt Silver Major 1977
    Zinc Zn 2.41 wt-pct Zinc Minor 1977
    Lead Pb 1.44 wt-pct Lead Minor 1977
  • Type In-situ
    Estimate year 1977
    Measured 108000mt ore
    Demonstrated 108000mt ore
    Total resources 108000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 3.19 g/mt Gold Major 1977
    Silver Ag 60.7 g/mt Silver Major 1977
    Zinc Zn 6.99 wt-pct Zinc Minor 1977
    Lead Pb 4.99 wt-pct Lead Minor 1977
  • Type In-situ
    Estimate year 1977
    Measured 300000mt ore
    Demonstrated 300000mt ore
    Total resources 300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 12.66 g/mt Gold Major 1977
    Silver Ag 156.4 g/mt Silver Major 1977
    Zinc Zn 4.06 wt-pct Zinc Minor 1977
    Lead Pb 2.72 wt-pct Lead Minor 1977

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Capacity 275
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Year of Information 1976

Reference information

Bibliographic references

  • Deposit

    WEBSTER, LEN, NORTHAIR- BUCKING THE TREND IN GOLD; CANADIAN

  • Deposit

    MINING JOURNAL, MAR., 1977, P. 50-55.

  • Deposit

    WESTERN MINER, A VISIT TO NORTHAIR MINES: OUTPUT AND

  • Deposit

    RECOVERIES IMPROVING; DEC., 1976, P. 30, 32.

General comments

Subject category Comment text
Deposit 75-RCD-010-EXPECTED BEGINING PRODUCTION LATE 1975, 300TPD, 6 75-RCD-601-RESERVES FROM THREE ORE ZONES: WARMAN, MANIFOLD & DISCOVERY. 75-RCD-651-METALLURGICAL TESTING INDICATES THAT RECOVERY SHO 95%-PLUS FOR LEAD-ZINC, AND 90-95% FOR GOLD AND SILVER.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Porter, Kenneth E. U.S. Bureau of Mines

Beyond USGS

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