Amador Mine

Past Producer in Mineral county in Montana, United States with commodities Silver, Copper, Gold
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  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. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10105990
MRDS ID W026557
Record type Site
Current site name Amador Mine

Geographic coordinates

Geographic coordinates: -115.00932, 47.11432 (WGS84)
Elevation 1116
Relative position 12 MI SW OF SUPERIOR

Site location context

Political divisions (FIPS codes)

Mineral(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Illinois Peak(quadrangle 1:24,000 scale)

Wallace(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Lolo 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 Montana Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 016N 027W 28 NE OF SE Montana

Commodities

Commodity Importance
Silver Primary
Copper Primary
Gold Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Ankerite Gangue
Calcite Gangue
Dolomite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Economic information

Geologic structures

Type of structure Regional
Structure description South Of Montana Lineament
Type of structure Local
Structure description N 30 W Strike And Northeast Dip Of Bedding Of Wallace

Ore body information

  • General form BRANCHING VEIN, TABULAR
    Strike N90W
    Dip 50 DEG S
    Plunge 55
    Plunge direction E
    Length 304.8M
    Width 2.44M
    Depth to bottom 182.88M

Controls for ore emplacement

  • Vein Thicker In Argillite Than In Quartzite Vein Thicker Where Most Steeply Inclined

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1913

Mining district

District name Keystone

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Amador Mining Co.

Comments on the production information

  • GOLD PRODUCTION ONLY FOR 1915-20 AND 1951. SILVER AND COPPER ONLY FOR 1913-20 AND 1951.

Workings at the site

  • Type of workings Underground
    Length 1828.8M
    Overall depth 183.18M
    Overall length 42.67M

Comments on development

  • DMEA FINANCED DEWATERING OF MINE FOR EXPLORATION ANDDEVELOPMENT AS OLD RECORDS INDICATED ORE LEFT. AFTER DEWATERING, NO MINABLE BODIES FOUND.

Reference information

Bibliographic references

  • Deposit

    CAMPBELL, A. B., 1960 , GEOLOGY AND MINERAL DEPOSITS OF THE ST. REGIS - SUPERIOR AREA, MINERAL COUNTY, MONTANA: U. S. GEOL. SURV. BULL. 1082 - I, P. 600 - 602

  • Deposit

    1951 GEOLMAP WALLACE - UNPUBLISHED REPOR

  • Production

    CAMPBELL, 1960 , GEOL. AND MINERAL DEPOSITS ETC. P. 602

General comments

Subject category Comment text
Deposit VEINS STRIKE N45W TO N90W AND DIP 55-75S
Deposit LARGE DIKE OR SILL OF UNSPECIFIED COMPOSITION 0.25 MILE SOUTH OF MINE - DEPOSIT MAY BE GENETICALLY RELATED TO THIS BODY

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1977 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey

Beyond USGS

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

External references