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

Willow Creek Placer

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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10003018
MRDS ID A015533
Record type Site
Current site name Willow Creek Placer
Related records 10111811

Geographic coordinates

Geographic coordinates: -155.58503, 64.40921 (WGS84)

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ruby B-6(quadrangle 1:63,360 scale)

Ruby S(quadrangle 1:100,000 scale)

Ruby(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-405, LOC. 11. PLACER MINE MARKED ON RUBY (B-6). LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Magnetite Gangue

Analytical data

Result TENOR REPORTEDLY IS LOW.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone

Nearby scientific data

(1) -155.58503, 64.40921
ListMap

Economic information

Comments on the geologic information

  • GEOLOGIC SETTING IS SIMILAR TO THAT OF SWIFT CREEK. ; MAJOR.UNITS: BEDROCK, IN PART AT LEAST, IS GRAYWACKE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Ruby

Land status

Ownership category State

Comments on the workings information

  • A FEW HOLES WERE SUNK ABOUT A MILE FROM THE MOUTH OF THE STREAM; UPPER HOLES 35 FT. DEEP; 1/2 MILE DOWNSTREAM BEDROCK NOT REACHED AT 70 FT.

Comments on development

  • PROBABLY MOST OF MINING WAS ABOUT 1915; NONE KNOWN 1942-75. PROSPECTING REPORTED, 1915; RESULTS UNFAVORABLE. PRODUCTION INFERED FROM PLACER MINE MARKED ON RUBY (B-6).

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit GOLD ON CLAYEY GRAVEL FALSE BEDROCK; GOLD ACCOMPANIED BY CONSIDERABLE MAGNETITE AND FEW IF ANY SULFIDE MINERALS.
Deposit STREAM GRADIENT APPROXIMATELY 100 FT. PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Powers, M.T. (Huber, D.F.) 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.