Unnamed

Occurrence in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10001187
MRDS ID A011895
Record type Site
Current site name Unnamed

Geographic coordinates

Geographic coordinates: -156.5935, 67.40955 (WGS84)
Relative position Located on ridge north of Ulaneak Creek in T. 23 N., R. 10 E., Kateel River Meridian. Shown as locality 48 in Mayfield and Grybeck (1978) and accurate to within 2000 ft. (600 m).???
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Cuprite Ore
Pyrite Gangue
Quartz Gangue

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -156.5935, 67.40955

Comments on the geologic information

  • Geologic Description = 18 ft (6 m) thick quartz vein carrying bornite, chalcopyrite, cuprite and pyrite; occurrence is in limestone in saddle on ridge near contact with granite.

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

Comments on the workings information

  • Workings / Exploration = Surface

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011895
USGS Alaska Resource Data File ARDF AR043

Bibliographic references

  • Deposit

    Mayfield, C.F. and Grybeck, D., 1978, Mineral occurrences and resource map of the Ambler river quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-120I, 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Mayfield and Grybeck, 1978

General comments

Subject category Comment text
Deposit Model Name = Skarn?

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