Placer Basin Mine

Past Producer in Adams county in Idaho, United States with commodities Gold, Copper, Lead, Silver
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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070109
MRDS ID W012801
MAS/MILS ID 0160030032
Record type Site
Current site name Placer Basin Mine
Alternate or previous names Placer Mine

Geographic coordinates

Geographic coordinates: -116.6166, 45.11567 (WGS84)
Elevation 1951
Relative position LOCATED 3 MILES UP STREAM OF CUPRUM ON RIDGE BETWEEN BEAR CREEK AND INDIAN CREEK.

Site location context

Political divisions (FIPS codes)

Adams(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butterfield Gulch(quadrangle 1:24,000 scale)

Riggins(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Payette 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 Adams

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 021N 002W 32,31 Idaho

Comments on the location information

  • On Bear - Black Lake Road. Between Bear P. O. And Smith Mtn.

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Seven Devils Volcanics-Andesite
    Rock description Seven Devils Volcanics-Andesite
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -116.6166, 45.11567

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

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

Mining district

District name Seven Devils District

Land status

Ownership category National Forest
Area name Payette National Forest

Comments on the production information

  • Value Of Ore In 1937 Was $125,000; In 1936, $45,000.

Workings at the site

  • Type of workings Underground
    Overall depth 182.88M

Comments on the workings information

  • A 600 - Foot Inclined Shaft And 6 Levels Composed The Mine, Which Is Now Caved.

Comments on development

  • Mine Closed In 1941. Peak Period Of Production Was 1935 - 37. 25 - Ton Cyanidation Plant.

Reference information

Bibliographic references

  • Deposit

    Cook, E. F., 1954, Mining Geology Of The Seven Devils Region: Idaho Bureau Of Mines And Geology Pamphlet 97, 22 P.

  • Deposit

    Livingston, D. C. And Laney, F. B., 1920, Copper Deposits Of The Seven Devils And Adjacent Districts: Idaho Bureau Of Mines And Geology Bulletin 1, P. 35.

  • Deposit

    1920 Compile Idaho Bureau Of Mines And Geol., Bulletin 1.

  • Deposit

    1954 Geolmap Idaho Bureau Of Mines And Geol., Pamphlet 97.

  • Production

    Cook, E. F., 1954, Idaho Bureau Of Mines And Geology, Pamphlet 97, 22 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1976 Benjamin, David A.; Miller, Pat U.S. Geological Survey
Reporter 27-SEP-1990 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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