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Brown and Metzdorf Prospect

Occurrence in Alaska, United States with commodities Copper, Gold, Silver, Molybdenum
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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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10000022
MRDS ID A010022
Record type Site
Current site name Brown and Metzdorf Prospect

Geographic coordinates

Geographic coordinates: -132.47959, 55.58862 (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 Tertiary
Silver Tertiary
Molybdenum Tertiary

Materials information

Materials Type of material
Molybdenite Ore
Pyrite Ore
Epidote Gangue
Garnet Gangue

Analytical data

Result 3.8% CU
Result 0.05% MOS2
Result 0.029 OZ./TON AU
Result 0.59 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -132.47959, 55.58862
ListMap

Economic information

Ore body information

  • Thickness 3.05M

Controls for ore emplacement

  • Basic Dike Forms Footwall Of Deposit

Comments on the geologic information

  • COUNTRY ROCK ALSO REFERRED TO AS LIMESTONE AND GRAY WACKE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ketchikan District

Land status

Ownership category State

Comments on development

  • TEST SHIPMENT MADE IN 1937

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE IS IN TACTITE ZONE

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.