Alexander Mine

Past Producer in Gem county in Idaho, United States with commodities Gold, Silver, Zinc, Lead, Copper
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. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10105577
MRDS ID W007915
MAS/MILS ID 0160450014
Record type Site
Current site name Alexander Mine
Alternate or previous names Sampson

Geographic coordinates

Geographic coordinates: -116.29487, 43.86348 (WGS84)
Elevation 1463
Relative position 1 1/4 MI NE OF PEARL, IDAHO

Site location context

Political divisions (FIPS codes)

Gem(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pearl(quadrangle 1:24,000 scale)

Boise(quadrangle 1:100,000 scale)

Boise(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Payette(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Gem

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 006N 001E 14 W2NENE Idaho

Comments on the location information

  • 1/4 Mi Se Of Crown Point

Commodities

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

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Galena Ore
Lead Ore
Pyrargyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue

Alteration

  • (Local) Pyritized
  • (Local) Oxidized

Analytical data

Result 1.14 OZ AU/, 1.7 OZ AG/TON (ASSAY OF GOUGE)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite Dike;Dacite And Granite Porphyry Dikes;Idaho Batholith-Quartz Diorite
    Rock description Diorite Dike;Dacite And Granite Porphyry Dikes;Idaho Batholith-Quartz Diorite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -116.29487, 43.86348

Economic information

Ore body information

  • General form STRINGERS AND SEAMS
    Strike N 70 DEG E
    Dip N
    Thickness 1.22M

Controls for ore emplacement

  • Contact

Comments on the geologic information

  • Original alteration entry:
    Local - Pyritized , Oxidized
    Local -
  • Original ore control entry:
    Contact Of Diorite Dike And Quartz Diorite

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name West View District

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Alexander Lode Inc.

Comments on the production information

  • Small Amount Of Ore Produced In 1896 Ran $40/Ton Au.
  • Prod: < $300,000

Comments on development

  • 1 Patented, 3 Unpatented Claims ( 1935 )

Reference information

Bibliographic references

  • Deposit

    Anderson, Alfred L., 1934, Geology Of The Pearl - Horseshoe Bend Gold Belt, Idaho: Idaho Bureau Of Mines & Geol. Pamph 41, P. 35.

  • Production

    Anderson, A. L., 1934, Idaho Bur. Of Mines & Geol. Pamphlet 41, P. 35

  • Deposit

    Lindgren, W., 1897 , The Mining Districts Of The Idaho Basin And The Boise Ridge, Idaho: U. S. Geological Survey 18th Ann. Rept., Pt. 3 , P. 716

  • Deposit

    Campbell, A., 1936 , 37th Ann. Rept. Of The Idaho Mine Inspector For 1935 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Steigner, William D. U.S. Geological Survey
Reporter 13-MAR-1995 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.