1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Unnamed (near Kutuk River)

Occurrence in Alaska, United States with commodities Silver, 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10308324
Record type Site
Current site name Unnamed (near Kutuk River)

Geographic coordinates

Geographic coordinates: -153.81448, 67.75763 (WGS84)
Relative position This site is at an elevation of about 2700 feet on the west side of the Kutuk River near its head. It is in the N1/2 of sec. 12, T. 27 N., R. 22 E., of the Kateel River Meridian. It corresponds to locality 5 of Grybeck and Nelson, 1981. Location accurate to within 600 ft.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Survey Pass D-2(quadrangle 1:63,360 scale)

Wiseman NW(quadrangle 1:100,000 scale)

Survey Pass(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Gates of the Arctic National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Copper Primary

Materials information

Materials Type of material
Malachite Ore

Nearby scientific data

(1) -153.81448, 67.75763
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = This occurrence consists of a grab sample of copper-stained, orange-weathering dark-gray stretched-pebble conglomerate collected from an otherwise monotonous and regionally extensive sequence of Devonian phyllite (Nelson and Grybeck, 1980; Grybeck and Nelson, 1981). The sample contained 5 ppm Ag and 1500 ppm Cu. No sulfides were noted in the sample, and the occurrence appeared to be only of local extent.
  • Age = Devonian or younger based on age of host rock.

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name Koyukuk

Comments on the workings information

  • Workings / Exploration = Grab sample collected during regional geologic mapping by the USGS in the late 1970s.

Reference information

Bibliographic references

  • Deposit

    Nelson, S.W., and Grybeck, D.J., 1980, Geologic map of the Survey Pass quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1176-A, 2 sheets, scale 1:250,000.

  • Deposit

    Grybeck, D.J., and Nelson, S.W., 1981, Mineral deposit map of the Survey Pass quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1176-F, 1 sheet, scale 1:250,000.

Comments on the references

  • Primary Reference = Grybeck and Nelson, 1981

General comments

Subject category Comment text
Deposit Other Comments = the area is within the Gates of the Arctic National Park and Wilderness and has been closed to prospecting since 1981.

Reporter information

Type Date Name Affiliation Comment
Reporter 16-SEP-99 S.W. Nelson 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.