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  3. Mineral Resource Data System (MRDS)

Boulder Creek

Occurrence in Alaska, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model 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 10308649
Record type Site
Current site name Boulder Creek

Geographic coordinates

Geographic coordinates: -154.63295, 63.30948 (WGS84)
Relative position The Boulder Creek placer occurrence is located in Boulder Creek valley at an elevation of 1,000 feet (304 m) in Section 11, T. 25 S., R. 22 E., of the Kateel River Meridian. Location is imprecisely known and judged to be within a two mile (3.2 km) radius.

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Medfra B-4(quadrangle 1:63,360 scale)

Medfra S(quadrangle 1:100,000 scale)

Medfra 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
Silver Secondary

Mineral occurrence model information

Model code 121
USGS model code 39c
Deposit model name Shoreline placer Ti

Nearby scientific data

(1) -154.63295, 63.30948
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Placer gold was found in the valley of Boulder Creek, a third order tributary of the Nixon Fork, in 1920 (Brown, 1926). No bedrock is exposed and no gravel thicknesses are known. Age of mineralization is unknown.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name McGrath

Reference information

Bibliographic references

  • Deposit

    Brown, J.S., 1926, The Nixon Fork country: U.S. Geological Survey Bulletin 783. p. 97-144.

  • Deposit

    King, H.D., Tripp, R.B., O'Leary, R.M., and Cooley, E.F., 1983, Distribution and abundance of copper, lead, and zinc in nonmagnetic and moderately magnetic heavy-mineral- concentrate, minus-80-mesh stream-sediment, and ash of aquatic-bryophyte samples, Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-I, 6 sheets, scale 1:250,000.

Comments on the references

  • Primary Reference = Brown, 1926

General comments

Subject category Comment text
Deposit Model Name = Placer Au-PGE (Cox and Singer, 1986; model no. 39c)

Reporter information

Type Date Name Affiliation Comment
Reporter 06-JUN-1998 Bundtzen, T.K. Pacific Rim Geological Consulting

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.