Alaska Homestake

The Alaska Homestake is a gold and silver 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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Site Name

Primary: Alaska Homestake
Secondary: Black and Hogan
Secondary: SSSS
Secondary: Bruno #4

Commodity

Primary: Gold
Primary: Silver
Secondary: Zinc
Secondary: Lead

Location

State: Alaska
District: Prince William Sound

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: Low-sulfide Au-quartz vein, Chugach-type

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Arsenopyrite
Ore: Galena
Ore: Sphalerite
Gangue: Quartz

Comments

Comment (Geology): Age = Tertiary or younger; veins cut Late Cretaceous Valdez Group graywacke and altered granite dikes of Tertiary age.

Comment (Exploration): Status = Inactive

Comment (Deposit): Model Name = Chugach-type low-sulfide Au-quartz veins (Bliss, 1992; model 36a.1)

Comment (Geology): Geologic Description = Late Cretaceous Valdez Group graywacke cut by many altered granite dikes and other bodies of Tertiary age. Resulting fissure veins, 2 to 18 inches thick, in graywacke and one in granite dike are quartz-filled. Veins strike N 15 to 40 W, near vertically, and carry galena, gold, arsenpyrite, and sphalerite (Johnson, 1914).? Six samples contained up to 0.02 oz /ton Au and up to 0.04 oz /ton Ag. One vein sampled contained 1.99 oz/ton Au and .2 oz/ton Ag (Jansons and others, 1984).

Comment (Reference): Primary Reference = Johnson, 1915

Comment (Workings): Workings / Exploration = Johnson (1915) reports that in 1914, 250 ft of tunnels and 2 shallow shafts were reported to have been driven on the veins about 100 ft above sea level. Jansons and others (1984) reported two adits in excess of 275 ft in length with a 64 ft winze; the lower level was inaccessable. Six samples contained up to 0.02 oz /ton Au and up to 0.04 oz /ton Ag. One vein sampled contained 1.99 oz/ton Au and .2 oz/ton Ag. Moderate mineral development potential for a small mine if vein extension is located (Jansons and others, 1984).

Comment (Production): Production Notes = Recorded production of 83 oz gold and 33 oz silver (Jansons and others, 1984).

References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.

Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

Reference (Deposit): Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.

Reference (Deposit): Johnson, B.L., 1914, The Port Wells gold-lode district, Alaska: U.S. Geological Survey Bulletin 592-G, p. 195-236.

Reference (Deposit): Johnson, B.L., 1915, Mining on Prince William Sound: U.S. Geological Survey Bulletin 622-E, p. 131-139.

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.

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