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Twin Peaks Mine

Past Producer in Lemhi county in Idaho, United States with commodities Copper, Lead, Silver, Gold, Zinc
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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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10070526
MRDS ID W013494
MAS/MILS ID 0160590366
Record type Site
Current site name Twin Peaks Mine
Alternate or previous names Kapp, Spair Time Mine, Rattlesnake, North Copper Group, Spare Time Group, Spare Tire, Golden Copper

Geographic coordinates

Geographic coordinates: -114.00648, 44.95406 (WGS84)
Elevation 1780
Relative position 17 MILES SW OF SALMON, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Degan Mountain(quadrangle 1:24,000 scale)

Challis(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Panther(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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 019N 021E 20,29 N2N2 (29) Idaho

Commodities

Commodity Importance
Copper Primary
Lead Primary
Silver Secondary
Gold Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Copper Ore
Cuprite Ore
Galena Ore
Malachite Ore
Biotite Gangue
Chalcedony Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Oxidation
  • (Local) Chlorite
  • (Local) Silicification

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Prichard Formation
    Rock description Prichard Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -114.00648, 44.95406
ListMap

Economic information

Ore body information

  • General form BLEB, STRINGER, PODS

Controls for ore emplacement

  • Fissures
  • Fractures

Comments on the geologic information

  • Fractures Ave. Strike N 20 Deg E And Dip 37 - 73 Deg W
  • Original alteration entry:
    Local - Oxidation, Chlorite , Silicification
  • Original ore control entry:
    Fissures, Fractures

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1927
Discoverer Charles Kapp

Mining district

District name Unorganized District; Deer Creek Area

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Idaho Consolidated Mines
    Interest 100
    Home office Idaho
    Year 1978

Production statistics

  • Year 1929
    Period 1928-1929
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^12 % Cu, 9 Oz Ag/T, $2.00 Au/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Copper Copper 12wt-pct
    Ore Silver Silver 254g/mt
  • Year 1936
    Period 1935-1936
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^14 % Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Ore Copper Copper 14wt-pct

Comments on the production information

  • Property Worked Intermittently From 1938-1964.

Workings at the site

  • Type of workings Underground
    Length 2407.92M

Comments on the workings information

  • Assessment Work Presently

Comments on development

  • 22 Unpatented Claims; 1954 100-Ton/Day Flotation Mill

Reference information

Bibliographic references

  • Deposit

    Landreth, J. O., 1964, Geology Of The Rattlesnake Creek Area, Lemhi County, Idaho: Moscow, Idaho, Univ. Of Idaho M.S. Thesis, 49 P.

  • Production

    (Items 8 And 9) Landreth, J.O., 1964, Univ. Of Idaho Ms Thesis, P. 45; (Item 1) Campbell, A., 1947, 48th Annual Report, P. 241.

  • Deposit

    Campbell, A., 1947, Forty-Eighth Annual Report Of The Mining Industry Of Idaho For The Year 1946.

  • Deposit

    Idaho Dept. Of Labor And Industrial Services, 1975, First Annual Report, Addendum, 95 P.

  • Deposit

    Starr, R. B., 1955 Cornell University, Ms Thesis.

General comments

Subject category Comment text
Deposit Discovery Year: 1927 CU; 1938 PB
Deposit Mine Worked For Cu Prior To 1938, Then For Lead Until 1961 When Increased Copper Prices Warranted A Return To Copper Mining

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-76 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 03-FEB-97 Buckingham, David A. U.S. Bureau of Mines

Beyond USGS

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

External references

Maps centered on this site