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Pioche Metals Mine

Past Producer in Lincoln county in Nevada, United States with commodities Silver, Lead, Gold, Zinc, Copper, Manganese
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10046531
MRDS ID M241706
Record type Site
Current site name Pioche Metals Mine
Alternate or previous names NBMG Sample Site 1434 Northern Most Shaft

Geographic coordinates

Geographic coordinates: -114.51112, 37.95274 (WGS84)
Elevation 1859

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Highland Peak(quadrangle 1:24,000 scale)

Caliente(quadrangle 1:100,000 scale)

Caliente(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Meadow Valley Wash(hydrologic unit)

Lower Colorado-Lake Mead(hydrologic accounting unit)

Lower Colorado-Lake Mead(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Nevada Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 067E 18 Nevada

Comments on the location information

  • INFO FROM LAND.ST :1972

Commodities

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

Materials information

Materials Type of material
Chrysocolla Ore
Galena Ore
Malachite Ore
Smithsonite Ore
Sphalerite Ore
Pyrite Gangue

Alteration

  • (Local) Strong Hydrothermal Alteration In Vicinity Of Fault

Analytical data

Result SAMPLE 1434 CONTAINS 5000 PPM MN, 200 PPM AG, 500 PPM AS, 100 PPM B, 50 PPM BA, 300 PPM CD, 2000 PPM CU, GREATER THAN 20000 PPM PB, 150 PPM SB, 100 PPM SR, 100 PPM W, GREATER THAN 10000 PPM ZN.

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Lyndon Limestone;Davidson Dolomite (Local Name)
    Rock description Lyndon Limestone;Davidson Dolomite (Local Name)
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -114.51112, 37.95274
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Prominent Fault Exposed In A Shaft At Northern End Of Workings, Trending N60w, Dip Ne

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Fault Contact Between Lyndon Limestone And Dolomite

Economic information about the deposit and operations

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

Mining district

District name Pioche District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner John A. Kirby And Assocs.
    First year 1909

Comments on the workings information

  • SERIES OF SHALLOW SHAFTS AND PROSPECT PITS

Comments on development

  • REPORTED TO BE HOISTING GOOD ORE IN 1909

Reference information

Bibliographic references

  • Deposit

    SMITH, P. AND BENTZ, J., 1983, FIELD EXAMINATION REPORT, AUG.25,1983

  • Deposit

    USGS MAP MF-136

  • Deposit

    ENG. & MIN. JOUR CLIPPINGS, 1909, 1910

General comments

Subject category Comment text
Deposit WORKINGS FOLLOW NNE-TRENDING FAULT CONTACT BETWEEN CAMB. LYNDON LIMESTONE AND UNDIFFERENITATED CAMBRAN DOLOMITE, DUMPS CONSIST OF SILICIFIED CARBONATE BRECCIA CEMENTED WITH CALCITE, SIDERITE, AND HEMATITE-STAINED SILICA.SULFIDES OCCURING IN BRECCIA ARE OXIDIZED WITH A FEW FRESH GRAINS, AND CONSIST OF FINE-GRAINED PYRITE, GALENA, SPHALERITE (?), WHICH HAVE ALTERED TO FE OXIDES, MALACHITE, CHRYSOCOLLA, LIMONITE, AND POSSIBLY SOME MINOR SMITHSONITE. LATE-STAGE SILICA COATS SURFACES AND DRUSY QUARTZ FILLS VUGS AND COATS FRACTURE SURFACES. FAULT IN SHAFT AT N END OF WORKINGS WHERE A SILICEOUS, IRON OXIDE-STAINED RIB OUTCROPS, WITHSILICEOUDS, RIB PARALLEL TO MAIN RIB. ROCKS IN VICINITY OF FAULT ZONE ARE HYDROTHERMALLY ALTERED AND HAVE COOKED APPEARANCE. ABUNDANT GOSSAN OCCURS NEAR, AND ASSOCIATED WITH THE FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1984 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology

Beyond USGS

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

External references

Maps centered on this site

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.