Italian Mine

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

Geologic information

Identification information

Deposit ID 10070534
MRDS ID W013505
MAS/MILS ID 0160590043
Record type Site
Current site name Italian Mine
Alternate or previous names Golden Fissure

Geographic coordinates

Geographic coordinates: -114.1972, 45.2244 (WGS84)
Elevation 2134
Relative position 9 MILES N OF COBALT, IDAHO

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jureano Mountain(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(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

Salmon-Challis 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 Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022N 019E 23 Idaho

Comments on the location information

  • On Arnett Creek 3.5 miles from Napias Creek.

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Pyrolusite Gangue
Quartz Gangue
Specularite Gangue

Alteration

  • (Local) Fe - Stains, Sericite

Analytical data

Result MINERALIZED GRANITE RAN $2-4 AU/TON.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -114.1972, 45.2244

Economic information

Geologic structures

Type of structure Local
Structure description Fractures, Joints

Ore body information

  • General form STRINGERS
    Strike N
    Dip W
    Length 1524M
    Width 0.91M

Controls for ore emplacement

  • Fissures

Comments on the geologic information

  • Dike trends N 60 Deg W and is 100 ft. wide

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1892
Discoverer 3 Italians

Mining district

District name Mackinaw District

Land status

Ownership category National Forest
Area name Salmon National Forest

Ownership information

  • Type Owner-Operator
    Owner Leesburg Mining Co.

Comments on the production information

  • Approximate Value $170,000

Workings at the site

  • Type of workings Surface/Underground
    Length 1066.8M
    Overall depth 73.15M

Comments on the workings information

  • Tunnels, shaft, open cuts; 80 acres placer diggings both below and above Italian Mine

Comments on development

  • 30-stamp mill

Reference information

Bibliographic references

  • Deposit

    Umpleby, J.B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P

  • Deposit

    1913 Geolmap Umpleby, J. B., Bulletin 52

  • Production

    Umpleby, J. B., 1913, USGS Bulletin 528.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 13-OCT-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.

External references