Madre d'Oro Prospect

Past Producer in Idaho county in Idaho, United States with commodities Gold, Zinc, Silver, 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. 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 10071609
MRDS ID W015099
MAS/MILS ID 0160490040
Record type Site
Current site name Madre d'Oro Prospect

Geographic coordinates

Geographic coordinates: -115.41518, 45.84657 (WGS84)
Elevation 1280
Relative position 1.5 MI NE OF ELK CITY

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elk City(quadrangle 1:24,000 scale)

Elk City(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Clearwater(hydrologic unit)

Clearwater(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 Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 029N 008E 13 Idaho

Comments on the location information

  • On E Side Of American River About .5 Mi E Of The Mineral Zone

Commodities

Commodity Importance
Gold Primary
Zinc Critical Tertiary
Silver Tertiary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Pyrite Gangue

Alteration

  • (Local) Silicification, Oxidation

Analytical data

Result 300 TONS ORE AVE $23/TON IN 1937

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Gneiss And Schist
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Economic information

Ore body information

  • General form LENSES
    Strike E - W
    Dip 80 DEG N
    Width 1.22M

Controls for ore emplacement

  • Contact Zone

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Plant type Beneficiation (Mill)
Plant subcategory Crush

Mining district

District name Elk City District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner S. W. Litchfield

Workings at the site

  • Type of workings Surface/Underground
    Length 335.28M

Comments on development

  • 3 Patented Claims, 4 Unpatented Claims

Reference information

Bibliographic references

General comments

Subject category Comment text
General Stamp Mill With Amalgamation Used At Property

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1974 Miller, Pat J. U.S. Geological Survey
Reporter 29-JUN-1998 Causey, J. Douglas U.S. Geological Survey

Beyond USGS

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