Galena

The Galena is a silver, copper, molybdenum, lead, and zinc mine located in Alaska.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Galena
Secondary: Marmot group

Commodity

Primary: Silver
Primary: Copper
Primary: Molybdenum
Primary: Lead
Primary: Zinc

Location

State: Alaska
District: Hyder

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Polymetallic veins

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Outcrops locally are intensely iron stained.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Molybdenite
Ore: Pyrite
Ore: Sphalerite
Gangue: Calcite
Gangue: Quartz

Comments

Comment (Geology): 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.

Comment (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.

Comment (Reference): Primary Reference = Berg and others, 1977

Comment (Workings): 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.

Comment (Deposit): Model Name = Polymetallic veins

Comment (Exploration): Status = Inactive

References

Reference (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.

Reference (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.

Reference (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.

Reference (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.

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