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Ruby Creek Placer

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

Geologic information

Identification information

Deposit ID 10003011
MRDS ID A015524
Record type Site
Current site name Ruby Creek Placer
Related records 10282070

Geographic coordinates

Geographic coordinates: -155.49757, 64.73839 (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 C-5(quadrangle 1:63,360 scale)

Ruby N(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. 2. PLACER AT MOUTH OF CREEK ON BENCH TO EAST OF CREEK. 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
Tin Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Cassiterite Unknown

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Silt
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -155.49757, 64.73839
ListMap

Economic information

Comments on the geologic information

  • MAJOR.UNITS: BEDROCK SCHIST, SLATE, AND LIMESTONE; GREENSTONE NEARBY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907
Year of first production 1907

Comments on development

  • SITE OF FIRST GOLD DISCOVERY IN DISTRICT IN 1907. SMALL-SCALE MINING REPORTED BETWEEN 1907 AND 1915.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STREAM GRADIENT ABOUT 150 FT. PER MILE IN LOWER MILE OF CREEK. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit GOLD DISCOVERED IN FINE GRAVEL AT MOUTH AT LEVEL OF HIGH SPRING WATER OF YUKON R. PLACER GOLD CONFINED TO LOW BENCH TO EAST SIDE OF STREAM NEAR MOUTH. ALLUVIUM 12-15 FT. THICK. A VERY SMALL AMOUNT OF CASSITERITE REPORTED. GOLD IN SAND AND FINE GRAVEL JUST ABOVE BEDROCK AND ON BEDROCK.
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.