Sunset Mine

Past Producer in Lemhi county in Idaho, United States with commodities Silver, Lead, Gold, Copper, Antimony, Zinc
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. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10105783
MRDS ID W015794
Record type Site
Current site name Sunset Mine
Alternate or previous names Leadville Mine

Geographic coordinates

Geographic coordinates: -113.30722, 44.70639 (WGS84)
Elevation 1981
Relative position 3 MI NE OF LEADORE; 3 MI NE OF JUNCTION

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Leadore(quadrangle 1:24,000 scale)

Leadore(quadrangle 1:100,000 scale)

Dubois(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lemhi(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 016N 026E 24 Idaho

Comments on the location information

  • ON MARGIN OF VALLEY FLAT ABOUT .5 MI FROM THE RR

Commodities

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

Materials information

Materials Type of material
Anglesite Ore
Antimony Ore
Bismuth Ore
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Arsenic Gangue
Clay Gangue
Limonite Gangue
Pyrite Gangue

Alteration

  • (Local) Gouge

Analytical data

Result 31.9 OZ AG, 55.5% PB, 0.2% CU IN AVERAGE SMELTER ANALYSES

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granite Porphyry Dikes
    Rock description Granite Porphyry Dikes
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Limestone, Quartzite, Quartzitic Slates;Lake Bed Sediments
    Rock description Limestone, Quartzite, Quartzitic Slates;Lake Bed Sediments

Nearby scientific data

(1) -113.30722, 44.70639

Economic information

Ore body information

  • General form TABULAR
    Strike N 75 DEG E
    Dip 35 DEG SE
    Thickness 0.61M
    Length 60.96M
    Width 6.1M

Controls for ore emplacement

  • Fault, Fissure

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904
Year of first production 1908

Mining district

District name Junction District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Sunset Mining Co.

Production statistics

  • Year 1907
    Period -1907
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^56 % Pb, 45 Oz Ag/Ton, $2 Au/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 1423g/mt
    Major Ore Lead Lead 56wt-pct

Comments on the production information

  • 50 CARS OF ORE PRODUCED IN 1917 AVERAGED 11% PB AND 7 OZ/TON AG. ITEM 8 VALUE $75,000, BETTER GRADE ORE GAVE GROSS RETURN OF $50-$65/TON.

Comments on the reserve resource information

  • ITEM 1 ORE BODY NEARLY 200 FT LONG AND 5-20 FT WIDE

Workings at the site

  • Type of workings Underground
    Length 419.4M
    Overall depth 155.45M

Reference information

Bibliographic references

  • Deposit

    UMPLEBY, J. B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULL. 528, P. 115 - 118.

  • Deposit

    BELL, R. N., 1907, EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906

  • Deposit

    BELL, R. N., 1908, NINTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1907

  • Deposit

    BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1917

  • Deposit

    1913 RECON UMPLEBY, J. B., BULL. 528

  • Production

    ITEM 8 UMPLEBY, J. B., 1913, USGS BULL. 528; ITEM 9, BELL, R. N., 1908, MINING INDUSTRY REPORT FOR 1907; ITEM 1, BELL, R. N., 1918, MINING INDUSTRY REPORT FOR 1917

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-06-01 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.