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

Unnamed (west of upper Millichetah Creek)

Occurrence in Alaska, United States with commodities Silver, Copper, Lead, Antimony, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Links to other databases
  10. Bibliographic references
  11. General comments
  12. Reporter information

Geologic information

Identification information

Deposit ID 10308330
Record type Site
Current site name Unnamed (west of upper Millichetah Creek)

Geographic coordinates

Geographic coordinates: -153.46943, 67.45262 (WGS84)
Relative position This site is at an elevation of about 3800 feet on a ridge 1.5 miles SW of the head of Millichetah Creek. It is in the N1/2 of sec. 35, T. 24 N., R. 24 E., of the Kateel River Meridian. Location is accurate to within 1000 ft. The site corresponds to locality 40 of Grybeck and Nelson (1981).

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 B-1(quadrangle 1:63,360 scale)

Wiseman SW(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
Lead Primary
Antimony Critical Primary
Zinc Critical Primary

Nearby scientific data

(1) -153.46943, 67.45262
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = This occurrence consists of a grab sample of copper-stained, orange-weathering marble (Nelson and Grybeck, 1981). Marble unit is part of the Devonian and Silurian Skajit Limestone (Nelson and Grybeck, 1980). Sample of marble contained 500 ppm As, 15,000 ppm Cu, 5000 ppm Pb, 7000 ppm Sb, and 7000 Zn. No other mineralization observed in the area.

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 = Brief examination of the area by the USGS in the late 1970s indicated no other mineralization.

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 Model Name = Copper-stained limestone
Deposit Other Comments = Located within Gates of the Arctic National Park.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-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.