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

Kobuk River

Prospect in Alaska, United States with commodity Jade
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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 10003298
MRDS ID A106041
Record type Site
Current site name Kobuk River

Geographic coordinates

Geographic coordinates: -158.90351, 67.1495 (WGS84)
Relative position Along Kobuk River northwest of VABM Kavet in T. 20 N., R. 1 W., Kateel River Meridian. Shown as locality 12 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 A-6(quadrangle 1:63,360 scale)

Ambler River SW(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)

Federal lands

Kobuk Valley 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
Jade Primary

Materials information

Materials Type of material
Jade Ore

Nearby scientific data

(1) -158.90351, 67.1495
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Most likely a placer or reworked moraine containing jade boulders.

Economic information about the deposit and operations

Development status Prospect
Commodity type Non-metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Kiana

Comments on the workings information

  • Workings / Exploration = Assessment work reports "jade cutting. One to two claims reported in period 1968-1970 (Mayfield and Grybeck, 1978).

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Mayfield and Grybeck, 1978

General comments

Subject category Comment text
Deposit Other Comments = Located in Kobuk Valley National Park.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-MAY-1997 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.