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  3. Mineral Resource Data System (MRDS)

Bear Gulch

Past Producer in Alaska, United States with commodity Gold
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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 10308795
MRDS ID A015726
Record type Site
Current site name Bear Gulch
Related records 10003189

Geographic coordinates

Geographic coordinates: -161.33331, 65.34939 (WGS84)
Relative position This placer mine is near the forks of Bear Gulch, an eastward-flowing, informally named, tributary of Sweepstakes Creek that drains the northeast flank of Bear Mountain. The site is in section 3, T. 2 S., R. 13 W., of the Kateel River Meridian. Cobb,1972 (MF-389), location 42.

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Candle B-5(quadrangle 1:63,360 scale)

Candle S(quadrangle 1:100,000 scale)

Candle(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Norton Bay(hydrologic unit)

Norton Sound(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Platinum 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) -161.33331, 65.34939
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Bedrock is Jurassic andesite tuffs and flows. Placer gold was reported to have been mined near the forks. Some platinum was also recovered from the placer (Harrington, 1919; Gault and others, 1953).
  • Age = Quaternary.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Koyuk

Comments on the workings information

  • Workings / Exploration = Small scale placer mining.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Cobb, 1976 (OFR 76-866)

General comments

Subject category Comment text
Deposit Model Name = Placer Au-PGE (Cox and Singer, 1986; model 39a).
Deposit Other Comments = Stream gradient approximately 100 feet per mile.

Reporter information

Type Date Name Affiliation Comment
Reporter 12-JAN-00 Williams, Anita 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.