Unnamed (east end of Reds Lake)

Occurrence in Alaska, United States with commodities Silver, Gold, Lead

Geologic information

Identification information

Deposit ID 10001393
MRDS ID A012135
Record type Site
Current site name Unnamed (east end of Reds Lake)

Geographic coordinates

Geographic coordinates: -148.57334, 67.83974 (WGS84)
Relative position The reference point for this prospect is at an elevation of about 2,000 feet near the east end of Reds Lake approximately 24 miles north of Chandalar (sec. 24, T. 34 N., R. 5 W., of the Fairbanks Meridian). Its location is somewhat speculative because it is derived from a sample collected around 1900. This occurrence is listed in several publications (Cobb, 1976, [OFR 76-340]; DeYoung, 1978; Cobb and Cruz, 1983) as some variant of Chandalar River, North Fork. The location is accurate within a 1-mile radius.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Silver Primary
Gold Primary
Lead Secondary

Comments on the commodity information

  • Ore Material = argentiferous galena

Materials information

Materials Type of material
Silver Ore
Gold Ore
Galena Ore
Quartz Gangue

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 Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -148.57334, 67.83974

Comments on the geologic information

  • Geologic Description = This prospect is described only as a sample of a quartz vein, collected prior to 1900, which assayed 0.42 oz Au and 0.14 oz Ag (Schrader, 1900). The country rock near this prospect is a relatively large outcrop area of albite-epidote-chlorite-muscovite greenschist (Brosgi and Reiser, 1964). This greenschist is in contact with a sliver of the Devonian(?) Horace Mountain pluton to the south and Devonian calcareous units to the north. Brosgi and Reiser (1972) included this occurrence in a group of anomalous stream-sediment and rock samples that show gold values and anomalous lead, zinc, copper, and silver. They imply an association between the above-described quartz vein sample and a sample of galena from a nearby prospect in limestone which returned values of 360 ppm Ag and 6.5 ppm Au. The location of the nearby prospect is not given.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chandalar

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012135
USGS Alaska Resource Data File ARDF CH092

Bibliographic references

  • Deposit

    Brosgi, W.P., and Reiser, H.N., 1972, Geochemical reconnaissance in the Wiseman and Chandalar districts and adjacent region, southern Brooks Range, Alaska: U.S. Geological Survey Professional Paper 709, 21 p.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-457, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Chandalar and Wiseman quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-340, 205 p.

  • Deposit

    Grybeck, D.J., 1977, Known mineral deposits of the Brooks Range, Alaska: US Geological Survey Open-File Report 77-166C, 41 p., 1 sheet, scale 1:1,000,000.

  • Deposit

    DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, scale 1:250,000.

  • Deposit

    Maas, K.M., 1987, Maps summarizing land availability for mineral exploration and development in northern Alaska, 1986: U.S. Bureau of Mines Open-File Report 10-87, 33 sheets.

Comments on the references

  • Primary Reference = Brosgi and Reiser, 1972

General comments

Subject category Comment text
Deposit Model Name = Polymetallic veins(?) (Cox and Singer, 1986; model 22c)
Deposit Other Comments = See also: Bob (CH089), Gayle (CH091), Bibban (CH090), and Steph (CH093) prospects, which are located a few miles northwest of this prospect, and an unnamed occurrence (CH084), located a few miles east.? Alaska Kardex No. 031-27 (Kardex is a card file mining claim information system located at the State of Alaska DNR Public Information Center in Fairbanks).

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1999 J.M. Britton U.S. Geological Survey