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Rosal Mine

Past Producer in Pershing county in Nevada, United States with commodities Antimony, 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. Ownership information
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10042566
MRDS ID M060394
Record type Site
Current site name Rosal Mine
Alternate or previous names 1, NBMG Sample Site 2580
Related records 10198149

Geographic coordinates

Geographic coordinates: -118.32181, 40.26406 (WGS84)
Elevation 1585
Relative position 2 3/4 MI. ESE OF WOOLSEY, NEV.

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Oreana(quadrangle 1:24,000 scale)

Lovelock(quadrangle 1:100,000 scale)

Lovelock(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Humboldt(hydrologic unit)

Humboldt(hydrologic accounting unit)

Black Rock Desert-Humboldt(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Pershing

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 033E 30 NW OF SW Nevada

Comments on the location information

  • W 1/2 SEC. 30; ABOUT 1 MI. S OF JOHNSON-HEIZER MINE

Commodities

Commodity Importance
Antimony Critical Primary
Silver Tertiary
Gold Tertiary

Comments on the commodity information

  • ORE MINERALS NOT GIVEN IN THE REFERENCES

Materials information

Materials Type of material
Gold Ore
Stibnite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Wall Rock Sericitized, Locally Argillized

Analytical data

Result ORE SAMPLES: 14.48-24.20% SB, 0.54-0.72 OZ. AG, TR. AU. SAMPLE 2580, VEIN CHIP, CONTAINS 1 % FE, 0.15 % MG, 1.5 % CA, 0.07 % TI, 100 PPM MN, 0.7 PPM AG, 3000 PPM AS, 50 PPM B, 100 PPM BA, 30 PPM CR, 100 PPM CU, 70 PPM LA, 15 PPM NI, 700 PPM PB, +10000 PPM SB, 700 PPM SR, 20 PPM V, 200 PPM ZN, 50 PPM ZR, AND 1.4 PPM AU, BY AA ANALYSIS.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite

Nearby scientific data

(1) -118.32181, 40.26406
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Faulting
Type of structure Local
Structure description Faulting

Ore body information

  • Strike N40-80W
    Dip 55S-90

Controls for ore emplacement

  • As Pods Within Sandstone

Comments on the geologic information

  • ONE VEIN STRIKES N40W, DIPS 80 DEGREES E CONTAINS 4 INCHES OF GOUGE AND2 INCHES BRECCIATED AND UNALTERED SANDSTONE. GOUGE CONTAINS A FEW SMALL PODS AND INDIVIDUAL CRYSTALS OF STIBNITE AND ABUNDANT SB-OXIDE STAINS. THE OTHER VEIN STRIKES N80E, DIPS 55 DEGREES S AND CONTAINS 12 INCHES OF GOUGE WITH PYRITE, 10% QUARTZ, AND 10-20% SB IN FORM OF PODS OF STIBNITE AND STAINS OF SB-OXIDES. SANDSTONE BETWEEN THE TWO VEINS IS FRACTURED AND STRINGERS OF STIBNITE, 1/2 IN WIDE, AND SB-OXIDES FILL THE CRACKS. SANDSTONE ITSELF CONTAINS DISSEMINATED PYRITE AND IBNITE.

Economic information about the deposit and operations

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

Mining district

District name Willard District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Rosal Land And Mining Co.
    First year 1957

Comments on the workings information

  • MINE WORKINGS INCLUDE TWO ADITS, TWO SHALLOW SHAFTS, AND A NUMBER OF OPEN PITS AND TRENCHES.

Comments on development

  • SEVERAL ROTARY DRILL HOLES-5 YEARS OLD, WITH NO EVIDENCE OF MORE RECENT ACTIVITY AND NO ACTIVITY ON THE PROPERTY WHEN VISITED IN 1985.

Reference information

Bibliographic references

  • Deposit

    JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULLETIN 89.

  • Deposit

    LAWRENCE, E.F., 1963, ANTIMONY DEPOSITS OF NEVADA; NBMG BULLETIN 61.

  • Deposit

    BONHAM, H.F.,17 JUL 85, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3.

General comments

Subject category Comment text
Deposit TWO VEINS ARE EXPLORED. ONE VEIN STRIKES N40E, DIPS 80E, CONTAINS 4 INCHES OF GOUGE AND 32 INCHES OF BRECCIATED AND UNALTERED SANDSTONE. GOUGE CONTAINS A FEW SMALL PODS AND INDIVIDUAL CRYSTALS OF STIBNITE AND ABUNDANT SB-OXIDE STAINS. THE OTHER VEIN STRIKES N80E, DIPS 55 DEGREES S AND CONTAINS 12 INCHES OF GOUGE WITH PYRITE, 10% QUARTZ, AND 10-20% SB IN FORM OF PODS OF STIBNITE AND STAINS OF SB-OXIDES. SANDSTONE BETWEEN THE TWO VEINS IS FRACTURED AND STRINGERS OF STIBNITE, 1/2 IN WIDE, AND SB-OXIDES FILL THE CRACKS. SANDSTONE ITSELF CONTAINS DISSEMINATED PYRITE AND STIITE.; MODEL NAME COULD ALSO BE: SIMPLE SB.
Deposit MINE WORKINGS INCLUDE TWO ADITS, TWO SHALLOW SHAFTS, AND A NUMBER OF OPEN PITS AND TRENCHES. THE WORKINGS EXPLORE TWO VEINS ; INFO.SRC : 2 UNPUB REPT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Donahoe, James L. (Johnson, M.G.) Nevada Bureau of Mines and Geology
Updater 01-APR-1987 La Pointe, D.D. Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey

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.