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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Upper Willow Creek

Occurrence 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10003467
MRDS ID A106225
Record type Site
Current site name Upper Willow Creek

Geographic coordinates

Geographic coordinates: -149.33268, 61.77956 (WGS84)
Relative position Near headwaters of Upper Willow Creek, 1 mile below head, along valley walls. Accurate within 1.5 miles. Localities 73 and 74 of Cobb (1972).

Site location context

Political divisions (FIPS codes)

Matanuska-Susitna(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Anchorage D-7(quadrangle 1:63,360 scale)

Anchorage NW(quadrangle 1:100,000 scale)

Anchorage(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Susitna River(hydrologic unit)

Susitna River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore

Nearby scientific data

(1) -149.33268, 61.77956
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Jasper (1967) reports traces of chalcopyrite and gold in float concentrates. The bedrock in the lower part of the valley consists of Jurassic? quartz-muscovite-albite-chlorite (+/- garnet-biotite) pelitic schist; in the upper valley the bedrock is the Willow Creek Pluton, a Late Cretaceous zoned pluton.
  • Age = Jurassic or younger.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Willow Creek

Comments on the workings information

  • Workings / Exploration = Unknown

Reference information

Bibliographic references

Comments on the references

  • Primary Reference = Jasper, 1967

Reporter information

Type Date Name Affiliation Comment
Reporter 30-JUL-1998 D.P. Bickerstaff U.S. Geological Survey
Reporter 30-JUL-1998 S.W. Huss 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.