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Mascot Gulch

Past Producer in Alaska, United States with commodities Gold, Tin
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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 10001883
MRDS ID A012707
Record type Site
Current site name Mascot Gulch
Related records 10209086

Geographic coordinates

Geographic coordinates: -164.97341, 65.73932 (WGS84)
Relative position Mascot Gulch is a small north tributary to Washington Creek in the northwest corner of the Bendeleben C-6 quadrangle. Washington Creek is the northwest headwater tributary of Kougarok River. The mouth of Mascot Gulch is about 3.5 miles upstream from the mouth of Washington Creek. This is locality 21 of Cobb (1972; MF 417; 1975; OFR 75-429).

Site location context

Political divisions (FIPS codes)

Nome(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bendeleben C-6(quadrangle 1:63,360 scale)

Bendeleben NW(quadrangle 1:100,000 scale)

Bendeleben(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Imuruk Basin(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
Tin Critical Secondary

Materials information

Materials Type of material
Cassiterite Ore
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) -164.97341, 65.73932
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Sainsbury and others (1969) show about 1,500 feet of placer mine workings along the channel of Mascot Gulch starting about 1,000 feet upstream from its mouth. Initial mining took place here at least by 1906 (Brooks, 1907) and unlike many gold placers in the upper Kougarok River drainage, the deposit on Mascot Gulch seems to be residual and close to its bedrock source. The bright, angular gold, some with crystal faces, occurs in irregular patches on phyllitic schist bedrock (Collier and others, 1908). Bedrock contains many quartz stringers and mining worked 2 to 3 feet of talus and decomposed bedrock. Considerable cassiterite was present in the placer concentrates (Collier and others, 1908). Bedrock in the area is part of a Lower Paleozoic metasedimentary assemblage (Till and others, 1986).
  • 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 Kougarok

Comments on the workings information

  • Workings / Exploration = Sainsbury and others (1969) show about 1,500 feet of placer mine workings along the channel of Mascot Gulch starting about 1,000 feet upstream from its mouth.

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Cobb, 1975 (OFR 75-429)

General comments

Subject category Comment text
Deposit Model Name = Placer Au-PGE (partly residual; Cox and Singer, 1986; model 39a)

Reporter information

Type Date Name Affiliation Comment
Reporter 15-MAR-1999 Travis L. Hudson Applied Geology

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.