Idle Claim, Columbia Red Metals Group

The Idle Claim, Columbia Red Metals Group is a zinc, copper, arsenic, silver, and lead 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: Idle Claim, Columbia Red Metals Group

Commodity

Primary: Zinc
Primary: Copper
Primary: Arsenic
Primary: Silver
Primary: 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: Chalcopyrite
Ore: Galena
Ore: Sphalerite

Comments

Comment (Production): Production Notes = No reported production.

Comment (Reference): Primary Reference = Jansons and others, 1984

Comment (Reserve-Resource): Reserves = Inferred reserves are 350 tons at 2.27 percent Zn (Jansons and others, 1984).

Comment (Workings): Workings / Exploration = Development has included an 80 ft long tunnel and open pits. Chip samples contained 370 ppm to 2.85 percent Zn, 205 ppm to 0.7 percent Cu, 4.4 ppm to 22 ppm Ag, 200 ppm to 0.22 percent Pb, and 72 ppm to 16.5 percent As. Low mineral development potential (Jansons and others, 1984).

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

Comment (Geology): Geologic Description = Two felsic dikes having chalcopyrite, galena, and sphalerite present in shears. Arsenopyrite occurrs within 1/8 inch veinlets in a 15 ft wide felsic dike (Jansons and others, 1984). The felsic dikes intrude sandstone, siltstone, and mudstone of the Tertiary Orca Group.? the chip samples contained 370 ppm to 2.85 percent Zn, 205 ppm to 0.7 percent Cu, 4.4 ppm to 22 ppm Ag, 200 ppm to 0.22 percent Pb, and 72 ppm to 16.5 percent As (Jansons and others, 1984).

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Paleocene or younger; the veins cut felsic dikes which intrude sandstone, siltstone, and mudstone of the Tertiary Orca Group.

References

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.

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