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Galena

Prospect in Alaska, United States with commodities Silver, Copper, Molybdenum, Lead, 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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10000165
MRDS ID A010202
Record type Site
Current site name Galena
Alternate or previous names Marmot group
Related records 10137140

Geographic coordinates

Geographic coordinates: -130.3337, 56.03088 (WGS84)
Relative position The Galena prospect, covered in 1969 by the Marmot group of claims, is in Section 25 on the eastern slope of Banded Mountain at an elevation of about 2600 feet (Berg and others, 1977, p. 112; Elliott and Koch, 1981, p. 10, loc. 22). The location is accurate to within about a quarter of a mile.

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

Bradfield Canal A-2(quadrangle 1:63,360 scale)

Bradfield Canal SE(quadrangle 1:100,000 scale)

Bradfield Canal(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Southeast Alaska(hydrologic accounting unit)

Southeast Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Misty Fiords National Monument Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Misty Fjords National Monument Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Copper Primary
Molybdenum Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Molybdenite Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Outcrops locally are intensely iron stained.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
    Rock unit name Hazelton Group
    Rock description Hazelton Group

Nearby scientific data

(1) g
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = The country rocks in the area of the Galena prospect are metamorphosed pelitic strata of the Jurassic or older Mesozoic Hazelton Group, locally cut by fine-grained light-colored dikes that may be apophyses of the Eocene Hyder Quartz Monzonite (Berg and others, 1977, p. 15-17, 22-23; Smith, 1977; Koch, 1996). ? the deposit (Berg and others, 1977, p. 112-114) consists of quartz (-calcite) stringers and fissure veins up to about 8 inches thick that cut pelitic hornfels. The veins locally contain pyrite, galena, molybdenite, chalcopyrite, and sphalerite. The highest sulfide concentrations commonly are adjacent to fracture intersections. The highest metal values for samples of veins collected by the U. S. Bureau of Mines in 1972 (Berg and others, 1977, p. 112-114) were 30 ppm Ag, 500 ppm Mo, 300 ppm Cu, 6500 ppm Pb, and 2000 ppm Zn. The total metal content of veins in the area, however, is low.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Hyder

Comments on the workings information

  • Workings / Exploration = Highest metal values for samples of veins collected by U.S. Bureau of Mines in 1972 were 30 ppm Ag, 500 ppm Mo, 300 ppm Cu, 6500 ppm Pb, and 2000 ppm Zn. The average tenor of the veins, however, is low.

Reference information

Bibliographic references

  • Deposit

    Berg, H.C., Elliott, R.L., Smith, J.G., Pittman, T.L., and Kimball, A. L., 1977, Mineral resources of the Granite Fiords wilderness study area, Alaska, with a section on aeromagnetic data by Andrew Griscom: U.S. Geological Survey Bulletin 1403, 151 p.

  • Deposit

    Smith, J.G., 1977, Geology of the Ketchikan D-1 and Bradfield Canal A-1 quadrangles, Alaska: U.S. Geological Survey Bulletin 1425, 49 p.

  • Deposit

    Elliott, R.L., and Koch, R.D., 1981, Mines, prospects, and selected metalliferous mineral occurrences in the Bradfield Canal quadrangle, Alaska: U.S. Geological Survey Open-File Report 81-728-B, 23 p., 1 sheet, scales 1:250,000 and 1:63,360.

  • Deposit

    Koch, R.D., 1996, Reconnaissance geologic map of the Bradfield Canal quadrangle, southeastern Alaska: U.S. Geological Survey Open-File Report 81-728-A, 35 p., 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Berg and others, 1977

General comments

Subject category Comment text
Deposit Model Name = Polymetallic veins
Deposit Other Comments = the Galena prospect, originally staked in the 1920's, was covered in 1969 by the Marmot group of 51 claims. ? the site is in Misty Fiords National Monument.

Reporter information

Type Date Name Affiliation Comment
Reporter 17-MAY-1998 H. C. Berg 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.