Shear Zone Ore Body, Rush and Brown Mine

Past Producer in Alaska, United States with commodities Copper, Gold, Silver
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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10000104
MRDS ID A010128
Record type Site
Current site name Shear Zone Ore Body, Rush and Brown Mine
Alternate or previous names Alaska Consolidated Copper Co, Alaska Gold and Metal 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

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrrhotite Ore
Calcite Gangue
Quartz 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

Economic information

Ore body information

  • General form LENSES
    Strike N60E TO N90E
    Dip 60SE TO 30S
    Thickness 4.27M
    Length 25.91M

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 8800mt
    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
    Length 457.2M
    Overall depth 121.92M

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 MASSIVE SULFIDES IN VEINLETS AND LENSES WITHIN SHEAR ZONE
Deposit SEE ALSO MAGNETITE 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.

Authoritative Alaska resources

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