Lark Mine

Past Producer in Blaine county in Idaho, United States with commodities Silver, Lead, Gold, 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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070571
MRDS ID W013558
Record type Site
Current site name Lark Mine
Related records 10192408

Geographic coordinates

Geographic coordinates: -114.2789, 43.4331 (WGS84)
Elevation 1676
Relative position 2 1/2 MI SW OF BELLEVUE

Site location context

Political divisions (FIPS codes)

Blaine(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bellevue(quadrangle 1:24,000 scale)

Fairfield(quadrangle 1:100,000 scale)

Hailey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Wood(hydrologic unit)

Upper Snake(hydrologic accounting unit)

Upper Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Blaine

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 001N 018E 11 Idaho

Comments on the location information

  • BORDERS POVERTY FLAT

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Lead Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result SELECTED ORE IS REPORTED TO HAVE CARRIED 2 OZ OF AG. FOR EACH % OF PB.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite
    Rock description Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -114.2789, 43.4331

Economic information

Ore body information

  • General form SEAMS, IRREGULAR, LENSES, PINCHED
    Strike N 65 DEG W
    Dip 80 DEG SW
    Thickness 0.61M
    Length 15.24M

Controls for ore emplacement

  • Fissure

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1911

Mining district

District name Mineral Hill District

Land status

Ownership category Private

Comments on the production information

  • PRODUCED SEVERAL HUNDRED TONS OF ORE BEFORE 1923. 3 CARLOADS OF ORE PRODUCED IN 1912 RAN 60% PB, 70 OZ/TON AG, AND $4/TON AU.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 30.48M

Comments on the workings information

  • EXCEPT FOR A SHALLOW, INCLINED SHAFT, WORKINGS ARE INACCESSIBLE AND CONSIST OF A LONG SERIES OF CAVED SHAFTS AND CUTS EXTENDING IN AN E-W DIRECTIONS.

Reference information

Bibliographic references

  • Deposit

    ANDERSON, A. L., AND OTHERS, 1950, DETAILED GEOLOGY OF CERTAIN AREAS OF THE MINERAL HILL AND WARM SPRINGS MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, P. 31

  • Deposit

    UMPLEBY, J. B., AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR - BY MINES: USGS BULL. 814, P. 1 - 245.

  • Deposit

    BELL, R. N., 1914, FIFTEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1913.

  • Deposit

    1930 GEOLMAP HEWETT, D. F., BULL. 814

  • Deposit

    1949 GEOLMAP IDAHO BUREAU OF MINES & GEOL., PAMPHLET 90

  • Production

    UMPLEBY, J. B., AND OTHERS, 1930, USGS BULL. 814.

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-02-01 Murphy, Lyn S.; Miller, Pat U.S. Geological Survey

Beyond USGS

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