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Ruby Creek Occurrence

Occurrence in Alaska, United States with commodities REE, Rhenium
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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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10002701
MRDS ID A015143
Record type Site
Current site name Ruby Creek Occurrence
Related records 10160251

Geographic coordinates

Geographic coordinates: -142.75832, 64.63364 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Eagle C-4(quadrangle 1:63,360 scale)

Eagle NW(quadrangle 1:100,000 scale)

Eagle C(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-393, LOC 41. NEAR MOUTH OF RUBY CREEK, A TRIBUTARY TO SLATE 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
REE Critical Primary
Rhenium Primary

Materials information

Materials Type of material
Allanite Ore
Monazite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -142.75832, 64.63364
ListMap

Economic information

Comments on the geologic information

  • PORPHYRITIC RHYOLITE MAY BE A BORDER FACIES OF THE GRANITE OR A TERTIARY INTRUSIVE. ; MAJOR.UNITS: BEDROCK IS PRE-MIDDLE ORDOVICIAN CLASTIC ROCKS INTRUDED BY GRANITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Fortymile

Comments on development

  • NO RECORD OF ANY MINING ON CREEK.

Reference information

Bibliographic references

  • Deposit

    USGS MF-393 (C-4), LOC. 41.

  • Deposit

    USGS CIRC. 335, P. 19-20

  • Other Database

    BAG-MF-393-41

General comments

Subject category Comment text
Deposit MONAZITE AND ALLANITE FOUND IN CONCENTRATE SAMPLES.
Deposit STREAM GRADIENT ABOUT 100 FEET 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-APR-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.