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  3. Mineral Resource Data System (MRDS)

Blackbird Mine

Past Producer in Alaska, United States with commodities Copper, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10258213
MAS/MILS ID 0020950338
Record type Site
Current site name Blackbird Mine
Alternate or previous names Girdwood, Barrack, Ladysmith

Geographic coordinates

Point of reference Claim
Geographic coordinates: -147.89441, 60.05345 (WGS84)
Elevation 140
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seward A-3 SE(quadrangle 1:24,000 scale)

Seward SE(quadrangle 1:100,000 scale)

Seward(quadrangle 1:250,000 scale)

Federal lands

Chugach National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Seward 001 S 009 E 34 NENWNW Alaska

Commodities

Commodity Importance
Copper Primary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Pyrrhotite Unknown

Nearby scientific data

Claim (1) Tos
ListMap

Economic information

Ore body information

  • Width 5.8M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 UNKNOWN
    Date of Last Modification 880427

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Production statistics

  • Year 1981
    Description 5676.8 Mt Ore Production Up To 1920 3980 Oz. Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 123791.85g
  • Year 1981
    Description 5,676.8 Mt Ore Production Up To 1920 547118 Lbs. Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 248168.55mt

Comments on the production information

  • Northern extension of the Beatson & Chenega orebody. TOTAL REPORTED PRODUCTION: 5,150 tons ore; 547,118 lbs. Cu, 3,980 oz. Ag.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 18-MAY-1988 Mpm U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.