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  3. Mineral Resource Data System (MRDS)

Fourth of July Creek

Past Producer in Alaska, United States with commodities Gold, Chromium
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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. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002642
MRDS ID A015082
Record type Site
Current site name Fourth of July Creek
Related records 10209860

Geographic coordinates

Geographic coordinates: -157.12294, 62.66942 (WGS84)
Relative position USGS MF-363, loc. 38.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iditarod C-3(quadrangle 1:63,360 scale)

Iditarod NE(quadrangle 1:100,000 scale)

Iditarod C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Takotna River(hydrologic unit)

Upper Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Chromium Critical Secondary

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

Nearby scientific data

(1) Kmvi
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Creek emerges near a small pluton that intruded Cretaceous rocks. Concentrates contain abundant cinnabar and chromite.
  • Age = Tertiary/Quaternary

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Comments on the production information

  • Production Notes = Brooks, 1912 reports that there was considerable mining on creek, but no past production figures are available. Modest gold recovered 1982-83.

Comments on the workings information

  • Workings / Exploration = Surface: drilling

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Bundtzen, Laird, and Lockwood, 1988

General comments

Subject category Comment text
Deposit Model Name = Placer: stream

Reporter information

Type Date Name Affiliation Comment
Reporter 25-MAY-1994 Powers, M.T. U.S. Geological Survey
Reporter 25-MAY-1994 Huber, D.F. U.S. Geological Survey
Reporter 25-MAY-1994 Miller, M.L. 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.