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Black Pearl Mine

Past Producer in Gem county in Idaho, United States with commodities Gold, Silver, Zinc, Lead, Copper
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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 10070045
MRDS ID W007904
MAS/MILS ID 0160450011
Record type Site
Current site name Black Pearl Mine
Alternate or previous names Red Warrior Lode, Leviathan Lode

Geographic coordinates

Geographic coordinates: -116.30457, 43.85098 (WGS84)
Elevation 1341
Relative position 1 MI. SE 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)

Lower Boise(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 S2SESW Idaho

Comments on the location information

  • Joins The Leviathan On The East

Commodities

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

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Calcite Gangue
Dolomite Gangue
Quartz Gangue

Alteration

  • (Local) Fe Stains

Analytical data

Result ASSAY: AVG. 0.6 OZ AU/TON. PICKED SAMPLES: 1.16 OZ AU/TON, 2.5 OZ AG/TON
Result 0.62 OZ AU/TON, 4.0 OZ AG/TON

Host and associated rocks

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

Nearby scientific data

(1) -116.30457, 43.85098
ListMap

Economic information

Ore body information

  • General form LINEAR
    Strike N 80 DEG W
    Dip 50 DEG N
    Thickness 0.91M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • Original alteration entry:

    Local - Fe Stains

  • Original ore control entry:

    Shear Zone

Economic information about the deposit and operations

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

Mining district

District name West View Dist.

Land status

Ownership category Private

Comments on the production information

  • Prod: < $300,000

Comments on the reserve resource information

  • Large Reserves Remain Unmined Because The Recovery Of Metal From Sulphides Was Difficult During The Time Of Operation.

Workings at the site

  • Type of workings Surface/Underground
    Length 3048M
    Overall depth 121.92M

Comments on the workings information

  • Some Surface Cuts

Comments on development

  • 3 Lodes, Including The Red Warrior And The Leviathan.

Reference information

Bibliographic references

  • Production

    Anderson, A. L. 1934, Idaho Bureau Of Mines & Geol. Pamphlet 41. P. 27

  • Deposit

    Anderson, Alfred L., 1934, Geology Of The Pearl - Horseshoe Bend Gold Belt, Idaho: Idaho Bureau Of Mines & Geol. Pamphlet 41, P. 27

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.

Maps centered on this site