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Ober Creek Placer

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

Geologic information

Identification information

Deposit ID 10001134
MRDS ID A011824
Record type Site
Current site name Ober Creek Placer
Related records 10113080

Geographic coordinates

Geographic coordinates: -145.77499, 63.71884 (WGS84)
Location accuracy 2000(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

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

Mount Hayes NE(quadrangle 1:100,000 scale)

Mount Hayes C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION APPROXIMATED FROM USGS OFR 79-238, FIG. 3, LOC. 2 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
REE Critical Primary

Materials information

Materials Type of material
Gold Ore
Monazite Ore
Epidote Gangue
Zircon Gangue

Analytical data

Result AVERAGE EU ABOUT 0.006%, MAXIMUM 0.011%, USGS CIRC 331, P. 18

Nearby scientific data

(1) -145.77499, 63.71884
ListMap

Economic information

Comments on the geologic information

  • MAJOR.UNITS: SCHIST COUNTRY ROCK ; REG.COM: PROBABLY DERIVED FROM TERTIARY GRAVEL

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Delta River

Land status

Ownership category State

Comments on development

  • PROSPECTING AND POSSIBLY A LITTLE MINING IN EARLY 1900'S; PLACERS DISCOVERED TO BE SLIGHTLY RADIOACTIVE IN 1946 DUE TO THE PRESENCE OF MONAZITE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MAINLY OF MINERALOGIC INTEREST; AU CONTENT AND RADIOACTIVITY TOO SLIGHT TO BE OF MUCH ECONOMIC SIGNIFICANCE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit AURIFEROUS STREAM GRAVELS; SHALLOW AND FROZEN; CONCENTRATES CONTAIN MONAZITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 Leonard, Kenneth R. (Elliott, R. L.) 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.