Unnamed (headwaters of North Fork of Salcha River)

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10001722
MRDS ID A012506
Record type Site
Current site name Unnamed (headwaters of North Fork of Salcha River)

Geographic coordinates

Geographic coordinates: -144.95287, 64.95972 (WGS84)
Relative position The occurrence noted by Albanese (1984) is located on an unnamed ridge north of the headwaters of the North Fork of the Salcha River. The approximate location of the occurrence is in NW1/4 section 32, T. 2 N., R. 14 E., of the Fairbanks Meridian. It was not identified as a separate location by Cobb (1972) or by Cobb and Eberlein (1980).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -144.95287, 64.95972

Comments on the geologic information

  • Geologic Description = The occurrence noted by Albanese (1984) is a sample of limonite-stained quartzite. A rock sample contained 294 ppm Cu, 7 ppm Pb, 42 ppm Zn, 15.0 ppm Au, 4.2 ppm Ag, 20 ppm Mo, 4 ppm Sn, 525 ppm W, and 609 ppm Mn. Weber and others (1978) describe the regional geology as gneiss and quartzite.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Mining district

District name Fairbanks

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012506
USGS Alaska Resource Data File ARDF BD044

Bibliographic references

  • Deposit

    Weber, F.R., Foster, H.L., Keith, T.E.C., Dusel-Bacon, C., 1978, Preliminary geologic map of the Big Delta quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-529A, 1 sheet, scale 1:250,000.

  • Deposit

    Albanese, M.D., 1984, Geochemical reconnaissance of the upper Chena river area, central Alaska: analytical data on stream sediment, pan concentrate, and rock samples: Alaska Division of Geological and Geophysical Surveys Report of Investigation 84-4, 30 p.

Comments on the references

  • Primary Reference = Albanese,1984

Reporter information

Type Date Name Affiliation Comment
Reporter 26-APR-1999 Cameron S. Rombach Alaska Division of Geological and Geophysical Surveys