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Isabella Mine

Past Producer in Lander county in Nevada, United States with commodities Silver, Gold
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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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10045213
MRDS ID M232902
Record type Site
Current site name Isabella Mine

Geographic coordinates

Geographic coordinates: -117.06149, 39.49075 (WGS84)
Elevation 2114

Site location context

Political divisions (FIPS codes)

Lander(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Austin(quadrangle 1:24,000 scale)

Smith Creek Valley(quadrangle 1:100,000 scale)

Millett(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Reese(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Geographic areas

Country State County
United States Nevada Lander

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 044E 19,20 Nevada

Comments on the location information

  • CHOSE A POINT ALONG SECTION BOUNDARY

Commodities

Commodity Importance
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Chalcopyrite Ore
Galena Ore
Polybasite Ore
Proustite Ore
Pyrargyrite Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Stibnite Ore
Ankerite Gangue
Calcite Gangue
Graphite Gangue
Pyrite Gangue
Pyrolusite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -117.06149, 39.49075
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fractures, Postmineral Faults

Ore body information

  • Dip 45NE

Controls for ore emplacement

  • Fault And Joint Fractures

Comments on the geologic information

  • THE VEINS ARE INTERSECTED BY 3 NORMAL FAULTS

Economic information about the deposit and operations

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

Mining district

District name Reese River District

Land status

Ownership category Private

Comments on the production information

  • PRODUCTION BEFOR 1887 WAS $626,798.78.

Workings at the site

  • Type of workings Surface/Underground
    Length 160.63M
    Overall depth 68.28M

Comments on the workings information

  • THE ISABELLA VEIN IS EXPOSED NEAR THE FLOOR OF THE INCLINE DOWN TO THE 200-FT LEVEL WHERE OLD STOPES WERE REOPENED BY THE AUSTIN SILVER MINING CO. FOR A SHORT DISTANCE TO THE NORTHWEST. NO VEINS ARE EXPOSED ALONG THE INCLINE FOR ABOUT 90 FT ON THE DIP BELOW THE 200-FT LEVEL. A CROSSCUT EXTENDS NORTHEAST FROM THE BOTTOM OF THE INCLINE. CAVED DRIFTS ON A NARROW VEIN INTERSECT THIS CROSSCUT A SHORT DISTANCE FROM THE INCLINE. THE MAIN CROSSCUT FROM THE ISABELLA INCLINE IS ACCESSIBLE ONLY TO THE CURRELLY VEIN.

Reference information

Bibliographic references

  • Deposit

    STEWART, J.H., MCKEE, E.H., AND STAGER, H.K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADE: NBMG BULL. 88.

  • Deposit

    ROSS, C.P., 1953, THE GEOLOGY AND ORE DEPOSITS OF THE REESE RIVER DISTRICT; LANDER COUNTY, NEVADE: USGS BULL. 977.

  • Deposit

    MOULTON, G.G., 1936, REPORT ON INSPECTION OF PROPERTY AT AUSTIN, NEVADA (UNPUB):NBMG FILES

General comments

Subject category Comment text
Deposit RETICULATE VEIN PATTERN WITH IRREGULAR ORE SHOOTS THAT ARE GENERALLY LESS THAN 100 FT LONG
Deposit IN 1936 THE MINE WAS REOPENED AND SOME MATERIAL WAS TAKEN FROM THE GOB AND PILLARS IN THE OLD SLOPES. TWENTY TONS OF ORE WERE MILLED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1981 Flynn, Patricia Dodd 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.