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  3. Mineral Resource Data System (MRDS)

Kav

Occurrence in Alaska, United States with commodities Silver, Copper, Antimony
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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. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10001196
MRDS ID A011906
Record type Site
Current site name Kav

Geographic coordinates

Geographic coordinates: -156.76356, 67.80956 (WGS84)
Relative position Located west of Kavachurak Creek at approximately 2000 ft. (600 m) elevation in T. 28 N., R 9 E., Kateel River Meridian. Shown as locality 71 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 D-2(quadrangle 1:63,360 scale)

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

Ambler River(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Noatak River(hydrologic unit)

Noatak River-Lisburne Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Noatak National Preserve(National Preserve)

National Preserve 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
Antimony Critical Primary

Materials information

Materials Type of material
Azurite Ore
Chalcopyrite Ore
Malachite Ore
Tennantite Ore
Tetrahedrite Ore

Alteration

  • (Local) Fe-staining

Mineral occurrence model information

Model code 233
USGS model code 32c
Deposit model name Kipushi Cu-Pb-Zn (BC name is Carbonate-hosted Cu)
Mark3 model number none

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -156.76356, 67.80956
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Four occurrences of Cu-Ag mineralization over 0.15 sq. mi. (200 m sq.) area. Most interesting occurrence is a fan-shaped area of mineralized talus ranging from 5 ft. to 10 ft. (1.3 m to 3 m) wide over a slope distance of 300 ft. (100 m) that consists of dolomite breccia containing masses of tetrahedrite, tennantite, chalcopyrite, malachite and azurite, mixed with fragments of quartz-vein material containing chalcopyrite. Other three occurrences are quartz veins generally 0.5 to 6 in. (1 cm to 12 cm) wide (one vein 1.5 ft. (0.3 m) wide) having strike lengths up to 75 ft. (15 m), and quartz stringer zones 40 ft. to 100 ft. (10.5 m to 30 m) wide, carrying tetrahedrite, chalcopyrite and malachite. Host rock is brecciated dolomite overlain by limestone and underlain by limestone, marble, and a sequence of phyllites; dolomite breccia forms prominent rust-colored hills (Degenhart and others, 1978, p.351-371)

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Noatak

Comments on the workings information

  • Workings / Exploration = Two samples representative of mineralized dolomite breccia contained 18.6% Cu over 36 ft. (12 m) length, and 33.8% Cu over 50 ft. (17 m) length. One 4 to 6 in. (8 cm to 12 cm) wide quartz vein assayed 6.2% Cu, 0.62% Zn, 4.9 oz/ton (152g/ton) Ag, and 3.2% Sb. Another 40 ft. (13 m) chip sample across a stringer zone assayed 0.8% Cu, 0.48 oz/ton (15g/ton) Ag (Degenhart and others, 1978, p. 351-371).

Reference information

Bibliographic references

  • Deposit

    Degenhart, C.E., Griffis, R.J., McQuat, J.F., and Bigelow, C.G., 1978, Mineral studies of the western Brooks Range performed under contract to the U.S. Bureau of Mines, Contract #JO155089: U.S. Bureau of Mines Open-File Report 103-78, 529 p., 11 sheets.

Comments on the references

  • Primary Reference = Degenhart and others, 1978

General comments

Subject category Comment text
Deposit Model Name = Kipushi?
Deposit Other Comments = Three minor occurrences of malachite are present along the north slope of the mountain immediately southwest of Kav occurrence.?All occurrences are located within Noatak National Preserve.

Reporter information

Type Date Name Affiliation Comment
Reporter 26-OCT-0092 K.R. Leonard U.S. Geological Survey
Reporter 26-OCT-0092 R.L. Elliott U.S. Geological Survey
Reporter 26-OCT-0092 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.