Ambler River Headwaters

Occurrence in Alaska, United States with commodity Copper
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 10111388
MRDS ID A011901
Record type Site
Current site name Ambler River Headwaters

Geographic coordinates

Geographic coordinates: -156.52352, 67.58956 (WGS84)
Relative position Location is near headwaters of the Ambler River and south of Nakmaktuak Pass in T. 25 N., R. 10 E., Kateel River Meridian. Shown as locality 60 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 C-2(quadrangle 1:63,360 scale)

Ambler River NE(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

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
Copper Primary

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Malachite Ore

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -156.52352, 67.58956

Economic information

Comments on the geologic information

  • Geologic Description = Malachite, azurite and chalcopyrite in quartz veins cutting marble near contact with phyllite; traceable for at least 50 m.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Noatak

Reference information

Comments on the references

  • Primary Reference = Mayfield and Grybeck, 1978

General comments

Subject category Comment text
Deposit Model Name = Polymetallic vein?
Deposit Other Comments = Other occurrences nearby consist of malachite in quartz veins cutting marble at a thrust contact and of malachite in conglomerate.

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.

Authoritative Alaska resources

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