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Opal Creek Placer

Prospect in Custer county in Idaho, 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. Public Land Survey System information
  6. Commodities
  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 10070947
MRDS ID W014101
MAS/MILS ID 0160370109
Record type Site
Current site name Opal Creek Placer

Geographic coordinates

Geographic coordinates: -115.07905, 44.59298 (WGS84)
Elevation 1737
Relative position 2 MI SE OF GREYHOUND MTN

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Greyhound Mountain(quadrangle 1:24,000 scale)

Pistol Creek(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 015N 011E 35 Idaho

Comments on the location information

  • On W Side of Rapid River, Just S. of Opal Creek.

Commodities

Commodity Importance
Gold Tertiary

Analytical data

Result CHANNEL SAMPLES AVERAGED 8 CENTS AU/CY

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
    Rock unit name Alluvium-Sand To 2 Ft. Boulders
    Rock description Alluvium-Sand To 2 Ft. Boulders
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -115.07905, 44.59298
ListMap

Economic information

Economic information about the deposit and operations

Operation type Placer
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Seafoam District

Land status

Ownership category National Forest
Area name Challis National Forest
Ownership category National Primitive Area
Area name Idaho Primitive Area

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Opal Creek Placer Not Within Greyhound Ridge, But It Has Been Recently Worked and Is One of the Largest Placer Bars Along Rapid River. Channel Samples Taken Down the Pit Walls Contained An Average of 10.5 Cents of Gold Per Cubic Meter.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Miller, Pat J. U.S. Geological Survey
Reporter 01-MAR-1995 Weldin, Robert U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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