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White Bear Mines

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

Geologic information

Identification information

Deposit ID 10042610
MRDS ID M060459
Record type Site
Current site name White Bear Mines
Alternate or previous names Blackhole-Monroe Mines, Mayflower Mines, Monroe Mine, NBMG Sample Site 2343, Golden Bell
Related records 10150374

Geographic coordinates

Geographic coordinates: -117.89514, 40.746 (WGS84)
Relative position 1 1/2 MI. E OF DUN GLEN IN MUNROE CANYON

Site location context

Political divisions (FIPS codes)

Pershing(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dun Glen(quadrangle 1:24,000 scale)

Winnemucca(quadrangle 1:100,000 scale)

Winnemucca(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 033N 036E 11,14 SW OF SW OF SE (11); NE OF NW (14) Nevada

Comments on the location information

  • UTM IS TO DUMP SAMPLED IN SEC 11 N OF MONROE MINE.; PREVIOUS QUAD DESIGNATION = DUN GLEN (1961) 1:625000

Commodities

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

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Alteration

  • (Local) Silicified Volcanics

Analytical data

Result SAMPLE 2343 IS OF SELECT VEIN MATTER FROM A DUMP. IT CONTAINS 2 % FE, 0.2 % MG, 0.07 % CA, 0.15 % TI, MN, 500- PPM AG, 1000 PPM AS, 70 PPM B, 2000 PPM BA, 1 PPM BE, 100 PPM- BI,15 PPM CO, 20 PPM CR, 200 PPM CU, 10 PPM NO, 10 PPM NI, +2-0000 PPM PB, 50 PPM V, 7000 PPM ZN, 100 PPM ZR.

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 Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Natchez Pass Formation;Koipato Group
    Rock description Natchez Pass Formation;Koipato Group
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -117.89514, 40.746
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault And Shear Zones

Ore body information

  • General form TABULAR
    Strike NE
    Dip 45-60SE
    Thickness 2.44M
    Length 1219.2M

Controls for ore emplacement

  • Shear Zones

Comments on the geologic information

  • SULFIDES OCCUR IN PERSISTENT 2-8 FT. WIDE AND 4000 FT. LONG QUARTZ VEIN. HOST ROCK CUT BY DIABASE DIKES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1908
Year of first production 1908

Mining district

District name Sierra District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Stockholders
    Home office Altoona, Pa

Comments on the production information

  • $112,000 WORTH OF AU & AG PRODUCED, 1908-1910

Workings at the site

  • Type of workings Underground
    Length 1524M

Comments on the workings information

  • 4 TUNNELS, DRIFTS. NUMEROUS ADITS, MANY WITH CAVED OR PARTLY CAVED PORTALS (1984). AN OLD MILL FOUNDATION (SMALL) WITH SMALL AMOUNT- OF TAILINGS. THERE IS A LARGER MILL FOUNDATION IN THE CANYON -BELOW THE MAIN MINES.

Comments on development

  • NO ACTIVITY AT TIME OF EXAMINATION IN 1984.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    VANDERBURG, 1936, RECONNAISSANCE OF MINING DISTRICTS IN PERSHING COUNTY; NEVADA; USBM IC 6902

  • Deposit

    SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY-NORTHERN NEVADA & NORTHWESTERN UTAH-SUMMARY OF GEOLOGIC SURVEY 1955-61, V.I. SO.PACIFIC CO., SAN FRANCISCO, P. 88

  • Deposit

    GARSIDE, L. J., 27 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

  • Deposit

    NBMG STAFF, 1985, NBMG OFR 85-3

  • Deposit

    NBMG MINING DISTRICT FILE 299, ITEM 4.

General comments

Subject category Comment text
Deposit MINE IS OPENED BY 4 MAIN TUNNELS FROM WHICH DRIFTS HAVE BEEN DRIVEN ON THE VEIN. TOTAL UNDERGROUND WORKINGS COMPRISE 5,000 FT. THE BLACK HOLE CLAIM IS AT THE NORTH END, THE MONROE CLAIM AT THE SOUTH END. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV
Deposit AT THE MINE SAMPLED, WHITE SACCHAROIDAL QUARTZ VEIN MATTER OCCURS IN REPORTED SHEAR ZONES IN FELSIC VOLCANIC AND V-OLCANICLASTIC ROCKS. VEIN QUARTZ HAS SPARSE SPOTTY SULFIDES AN-D IS OFTEN SLIGHTLY IRON-STAINED. LOCALLY PYRITE-RICH PIECES O-F VEIN MATTER ARE ALSO NOTED. THE WORKINGS ON THE TOPO MAP OCC-UR ALONG A N45E ZONE ABOUT 1.5 KM LONG WITH THE MONROE MINE AT- THE SOUTH END AND THE BLACK HOLE MINE AT THE NORTH.; MODEL NAME COULD ALSO BE: POLYMETALLIC VEINS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Harner, Joy L. (Roberts, Ralph J.) Nevada Bureau of Mines and Geology
Updater 01-JUN-1986 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-FEB-1981 Royse, Sue E. 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.