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

Unnamed (north of lower Gravel Creek)

Occurrence in Alaska, United States with commodities Lead, Silver, Gold, Copper
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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 10000781
MRDS ID A011425
Record type Site
Current site name Unnamed (north of lower Gravel Creek)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -141.12748, 62.08083 (WGS84)
Relative position Best location: Richter and others, 1973, USGS I-807, loc. 10. Accurate within 100 ft radius

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nabesna A-1(quadrangle 1:63,360 scale)

Nabesna SE(quadrangle 1:100,000 scale)

Nabesna(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Wrangell-St. Elias 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
Lead Primary
Silver Primary
Gold Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Tetrahedrite Ore
Barite Gangue
Quartz Gangue

Nearby scientific data

(1) -141.12748, 62.08083
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Quartz-barite veins, in Upper Paleozoic marine argillite, carrying galena, chalcopyrite, tetrahedrite; gold and silver reported in assay.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Chisana

Comments on the workings information

  • Workings / Exploration = Sample of quartz-barite vein assayed: 5 ppm Ag, 0.4 ppm Au, 300 ppm Cu, 7000 ppm Pb, 7000 ppm Zn (USGS OF 471, sample 141). Type of workings: surface.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Richter and others, 1973, USGS, I-807

General comments

Subject category Comment text
Deposit Model Name = Lode: vein

Reporter information

Type Date Name Affiliation Comment
Reporter 10-FEB-1997 Leonard, K.R. U.S. Geological Survey
Reporter 10-FEB-1997 Elliott, R.L. U.S. Geological Survey
Reporter 10-FEB-1997 Richter, D.H. 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.