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  3. Mineral Resource Data System (MRDS)

Big Harbor Mine

Past Producer in Alaska, United States with commodities Copper, Gold, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10100928
MRDS ID A010014
Record type Site
Current site name Big Harbor Mine
Alternate or previous names Northland Development Co.
Related records 10185379

Geographic coordinates

Geographic coordinates: -132.97125, 55.37194 (WGS84)

Site location context

Political divisions (FIPS codes)

Prince of Wales-Hyder(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Craig B-3(quadrangle 1:63,360 scale)

Craig SE(quadrangle 1:100,000 scale)

Craig(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Prince of Wales(hydrologic unit)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Tongass 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

Comments on the location information

  • LOCATION INDICATED IS OF MILL SITE. ACTUAL MINE IS 1/2 MILE FROM TIDEWATER LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore

Analytical data

Result CHIP SAMPLE CONTAINED 1.9% CU

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Greenschist

Nearby scientific data

(1) -132.97125, 55.37194
ListMap

Economic information

Ore body information

  • General form LENSES, PODS, STRINGERS
    Strike N60E
    Dip 60NW
    Thickness 18.9M

Controls for ore emplacement

  • Mineralized Zone Is At Gradational Contact Between Metamorphic Facies

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907
Year of first production 1912
Year of last production 1916

Mining district

District name Ketchikan District

Land status

Ownership category National Forest

Production statistics

  • Year 1916
    Period 1912-1916
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^6%-7% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 7wt-pct

Workings at the site

  • Type of workings Surface/Underground
    Length 182.88M
    Overall depth 15.24M

Reference information

Comments on the other database information

  • RECORD NUMBER W062012 IS A POTENTIAL DUPLICATE OF THIS RECORD; RECORD NUMBER W062119 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1983 Hirschmann, M. M. (Elliott, R. L.) U.S. Geological Survey
Editor 12-APR-1994 Mosier, Dan U.S. Geological Survey

Beyond USGS

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

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.