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  3. Mineral Resource Data System (MRDS)

Idaho City Placer

Past Producer in Boise 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. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10105546
MRDS ID W007564
Record type Site
Current site name Idaho City Placer
Alternate or previous names Goldhill Placer Mines
Related records 10265162

Geographic coordinates

Geographic coordinates: -115.82376, 43.83798 (WGS84)
Elevation 1280
Relative position 2 MI NE OF IDAHO CITY

Site location context

Political divisions (FIPS codes)

Boise(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Idaho City(quadrangle 1:24,000 scale)

Idaho City(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Boise-Mores(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management ID)

Bureau of Land Management ID BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Idaho Boise

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006N 005E 23,24,25,26 Idaho

Commodities

Commodity Importance
Gold Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Idaho Batholith-Quartz Diorite
    Rock description Idaho Batholith-Quartz Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Gravels
    Rock description Gravels

Nearby scientific data

(1) -115.82376, 43.83798
ListMap

Economic information

Ore body information

  • Thickness 45.72M

Controls for ore emplacement

  • Bench Gravels

Economic information about the deposit and operations

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

Mining district

District name Idaho City

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Surface
    Overall length 365.76M
    Overall width 121.92M

Comments on the workings information

  • HYDRAULIC MINED IN THE 1930'S. 6 GIANTS.

Reference information

Bibliographic references

  • Deposit

    METZGER, O. H. 1938, RECONNAISSANCE OF PLACER MINING IN BOISE COUNTY, IDAHO, U. S. BUREAU OF MINES INF. CIRC. 7028 P. 26

  • Deposit

    1938 RECON USBM INF. CIRC. 702

  • Production

    METZGER, O. H., 1938, U. S. BUREAU OF MINES INF. CIRC. 7028, P. 28.

General comments

Subject category Comment text
Deposit CLAY BEDROCK 8 - 15% SLOPE TOWARD ELK CR. GRAVELS ARE INTERBEDDED WITH HARD CLAYS AND SOFT SANDSTONE LAYERS 4 - 12 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Steigner, William D. U.S. Geological Survey
Updater 01-SEP-1976 Siefken, Robert R. 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