Twin Apex Mine

Past Producer in Custer county in Idaho, United States with commodities Lead, Copper, Zinc, 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. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071138
MRDS ID W014369
MAS/MILS ID 160370415
Record type Site
Current site name Twin Apex Mine
Alternate or previous names McClure

Geographic coordinates

Geographic coordinates: -114.5025, 44.3069 (WGS84)
Elevation 2103
Relative position 6 MI NW OF CLAYTON

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Thompson Creek(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 017E 6 SE Idaho

Commodities

Commodity Importance
Lead Primary
Copper Tertiary
Zinc Critical Tertiary
Silver Tertiary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Milligen Formation-Argillite
    Rock description Milligen Formation-Argillite
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian

Nearby scientific data

(1) -114.5025, 44.3069

Economic information

Ore body information

  • General form IRREGULAR

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 Bayhorse District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Bruno Lead Silver Mines

Workings at the site

  • Type of workings Underground
    Length 670.56M

Reference information

Bibliographic references

  • Deposit

    USBM, 1975, Activity Of Idaho Mining Properties, 1974: USBM; Boise, Idaho, 61 P.

  • Deposit

    Ross, C. P., 1937, Geology And Ore Deposits Of The Bayhorse Region, Custer County, Idaho: USGS Bulletin 877, 161 P.

  • Deposit

    Campbell, A., 1946 , Forty-Seventh Annual Report Of The Mining Industry Of Idaho For The Year 1945

  • Deposit

    1937 Geolmap Ross, C. P., Bulletin 877

  • Production

    Campbell, A., 1946, 47th Annual Mine Inspector's Report, P. 245.

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-07-01 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

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

External references