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  3. Mineral Resource Data System (MRDS)

Unnamed

Occurrence in Alaska, United States with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

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).???

Site location context

Political divisions (FIPS codes)

Northwest Arctic(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ambler River B-2(quadrangle 1:63,360 scale)

Ambler River SE(quadrangle 1:100,000 scale)

Ambler River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Kobuk River(hydrologic unit)

Kobuk-Selawik Rivers(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

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
ListMap

Economic information

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 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

Bibliographic references

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.