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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Magnetite Ore Body, Rush and Brown Mine

Past Producer in Alaska, United States with commodities Copper, Gold, Silver, Iron
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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. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10000103
MRDS ID A010127
Record type Site
Current site name Magnetite Ore Body, Rush and Brown Mine
Alternate or previous names Alaska Consolidated Copper Co, Alaska Gold and Metals Co., Iron Cliff

Geographic coordinates

Geographic coordinates: -132.58792, 55.62473 (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 C-2(quadrangle 1:63,360 scale)

Craig NE(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

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary
Iron Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -132.58792, 55.62473
ListMap

Economic information

Ore body information

  • Thickness 9.14M
    Length 30.48M

Controls for ore emplacement

  • Mineralization Follows Tuff-Pluton Contact

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904
Year of first production 1906
Year of last production 1923

Mining district

District name Ketchikan District

Land status

Ownership category State

Production statistics

  • Year 1923
    Period 1906-1923
    Material ORE
    Ore mined 31773mt
    Accuracy Accurate

Comments on the production information

  • ORE WAS HAND PICKED. COBB (USGS OF 78-869, P. 174) DISPUTES THESE NUMBERS

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 152.4M

Reference information

Comments on the other database information

  • RECORD NUMBER W062098 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

General comments

Subject category Comment text
Deposit SEE ALSO SHEAR ZONE ORE BODY, RUSH AND BROWN MINE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-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.