Midas Creek

Occurrence in Alaska, United States with commodity Gold
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 10001192
MRDS ID A011902
Record type Site
Current site name Midas Creek

Geographic coordinates

Geographic coordinates: -156.22356, 67.84958 (WGS84)
Relative position Location is on Midas Creek at approximately 2800 ft. (700 m) elevation in T. 28 N., R. 12 E., Kateel River Meridian. Location shown as locality 63 in Mayfield and Grybeck (1978), and is 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-1(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

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
Gold Primary

Materials information

Materials Type of material
Gold Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -156.22356, 67.84958

Economic information

Comments on the geologic information

  • Geologic Description = Subeconomic concentration of small particles of gold in lower course of Midas Creek. Gravel in upper course of Midas Creek is not auriferous (Degenhart and others, 1978, p. 377-379).

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 reserve resource information

  • Reserves = No significant production or potential (Degenhart and others 1978).

Comments on the workings information

  • Workings / Exploration = U.S. Bureau of Mines sampling program ( Degenhart and others, 1978, p. 378, 381-382, and fig. 20) showed the following: Sample BM 668: piece of quartz in stream float contained 7.2 ppm Ag and 145 ppb Au. No bedrock source found; Sample BM 677: stream silt sample contained 510 ppb Au; Sample BM 678: stream silt sample contained 50 ppb Au.

Reference information

Bibliographic references

  • Deposit

    Brooks, A.H., 1925, Alaska's mineral resources and production, 1923: U.S. Geological Survey Bulletin 773, p. 3-52.

  • 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.

  • Deposit

    Mayfield, C.F. and Grybeck, D., 1978, Mineral occurrences and resource map of the Ambler river quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-120I, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1973, Placer deposits of Alaska: U.S. Geological Survey Bulletin 1374, 213 p.

  • Deposit

    Smith. P.S., (1911) 1912, The Alatna-Noatak region: U.S. Geological Survey Bulletin 520-L, p. 315-338.

Comments on the references

  • Primary Reference = Degenhart and others, 1978

General comments

Subject category Comment text
Deposit Model Name = Stream placer
Deposit Other Comments = Located within Gates of the Arctic National Park.

Reporter information

Type Date Name Affiliation Comment
Reporter 28-APR-1997 K.R. Leonard U.S. Geological Survey
Reporter 28-APR-1997 R.L. Elliott U.S. Geological Survey
Reporter 28-APR-1997 J.M. Schmidt U.S. Geological Survey
Reporter 28-APR-1997 S.W. Nelson 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.