Fortyseven Creek Lode

Occurrence in Alaska, United States with commodities Gold, Silver, Tungsten, Antimony
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  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 10002506
MRDS ID A013446
Record type Site
Current site name Fortyseven Creek Lode
Alternate or previous names Fortyseven Creek
Related records 10258804

Geographic coordinates

Geographic coordinates: -158.20252, 61.04908 (WGS84)
Elevation 625
Relative position SEE LOCATION COMMENTS

Site location context

Political divisions (FIPS codes)

Bethel(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sleetmute A-6(quadrangle 1:63,360 scale)

Sleetmute SW(quadrangle 1:100,000 scale)

Sleetmute(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Holitna River(hydrologic unit)

Upper Kuskokwim River(hydrologic accounting unit)

Southwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • JUST OFF EAST SIDE OF RIDGE THAT FORTYSEVEN CREEK DRAINS.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Tungsten Critical Primary
Antimony Critical Secondary

Materials information

Materials Type of material
Argentite Ore
Gold Ore
Jamesonite Ore
Scheelite Ore
Stibnite Ore
Wolframite Ore
Quartz Gangue
Sericite Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Kuskokwim Group;Kuskokwim Group
    Rock description Kuskokwim Group;Kuskokwim Group

Nearby scientific data

(1) -158.20252, 61.04908

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1947
Discoverer Russell Schaefer

Comments on exploration

  • Status = Inactive

Mining district

District name Aniak

Comments on the reserve resource information

  • ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS SAMPLES 15536 AND 15537 CONTAIN 2.4 PPM AU AND 16.7 PPM AG RESPECTIVELY (ROBINSON, 1984A)

Comments on the workings information

  • PROSPECT PITS DUG FOR SAMPLING IN 1985.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit NO PRODUCTION YET KNOWN, BUT DEVELOPMENT DURING 1990'S INDICATES PRODUCTION IS LIKELY.
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit SHEAR ZONE 1,000 FT (305 M) WIDE AND 1.5 MI (2.4 KM) LONG IN CRETACEOUS GRAYWACKE AND SLATE CONTAINS QUARTZ VEINS CARRYING GOLD-, SILVER-, AND TUNGSTEN-BEARING MINERALS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Niles, L.P. (Huber, D.F.) U.S. Geological Survey PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES.
Updater 01-JUN-1994 Huber, D.F.; Niles, L.P.: Miller, M.L. U.S. Geological Survey ARDF AND MRDS MERGED RECORD
Editor 14-SEP-1994 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey
Editor 06-MAR-1998 Mason, George 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.