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Unnamed

Occurrence in Alaska, United States with commodities Copper, Zinc
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Geologic information

Identification information

Deposit ID 10001182
MRDS ID A011885
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -157.03349, 67.27954 (WGS84)
Relative position Located on ridge above head of Naniratkohort Creek in T. 22 N., R. 8 E., Kateel River Meridian. Shown as locality 38 in Mayfield and Grybeck and accurate to within 2000 ft. (600 m).???
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary
Zinc Secondary

Materials information

Materials Type of material
Malachite Ore

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble
    Rock unit name Ambler Sequence; Adggs Gr 75
    Rock description Ambler Sequence; Adggs Gr 75
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -157.03349, 67.27954
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Comments on the geologic information

  • Geologic Description = Malachite stain in small marble outcrop in saddle. Local high Cu and Zn stream sediment anomaly nearby (Ellerseick, 1978).

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Kiana

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011885
USGS Alaska Resource Data File ARDF AR031

Bibliographic references

  • Deposit

    Ellerseick, I.F., 1978, Analytical results for stream sediment geochemical samples Ambler River quadrangle, Alaska: U.S. Geological Survey Open-file Report 78-120-C, 6 sheets, scale 1:250,000.

  • Deposit

    Hitzman, M.W., Smith, T.E., and Proffett, J.M., Jr., 1982, Bedrock geology of the Ambler district, southwestern Brooks Range, Alaska: Alaska Division of Geological and Geophysical Surveys Geologic Report 75, 2 sheets.

Comments on the references

  • Primary Reference = Mayfield and Grybeck, 1978

General comments

Subject category Comment text
Deposit Model Name = Kuroko ?
Deposit Other Comments = Cu showing in area of known Ambler sequence-type Cu-Zn deposits.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-OCT-1992 K.R. Leonard U.S. Geological Survey
Reporter 26-OCT-1992 R.L. Elliott U.S. Geological Survey
Reporter 26-OCT-1992 J.M. Schmidt U.S. Geological Survey