White Bear Mines

The White Bear Mines is a gold mine located in Pershing county, Nevada.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: White Bear Mines  

State:  Nevada

County:  Pershing

Elevation:

Commodity: Gold

Lat, Long: 40.74611, -117.89417

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the White Bear Mines

White Bear Mines MRDS details

Site Name

Primary: White Bear Mines
Secondary: Blackhole-Monroe Mines
Secondary: Mayflower Mines
Secondary: Monroe Mine
Secondary: NBMG Sample Site 2343
Secondary: Golden Bell


Commodity

Primary: Gold
Secondary: Silver
Secondary: Copper
Secondary: Lead
Tertiary: Zinc


Location

State: Nevada
County: Pershing
District: Sierra District


Land Status

Land ownership: BLM Administrative Area
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Stockholders
Home Office: Altoona, Pa


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1908
Discovery Year: 1908
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Model Name: Low-sulfide Au-quartz vein


Orebody

Form: TABULAR


Structure

Type: L
Description: Fault And Shear Zones


Alterations

Alteration Type: L
Alteration Text: Silicified Volcanics


Rocks

Name: Diabase
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous

Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic


Analytical Data

Analytical Data: 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.


Materials

Ore: Pyrite
Ore: Gold
Ore: Sphalerite
Ore: Galena
Ore: Tetrahedrite
Gangue: Quartz


Comments

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

Comment (Production): $112,000 WORTH OF AU & AG PRODUCED, 1908-1910

Comment (Development): NO ACTIVITY AT TIME OF EXAMINATION IN 1984.

Comment (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.

Comment (Workings): 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.

Comment (Geology): SULFIDES OCCUR IN PERSISTENT 2-8 FT. WIDE AND 4000 FT. LONG QUARTZ VEIN. HOST ROCK CUT BY DIABASE DIKES.

Comment (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


References

Reference (Deposit): JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULL. 89

Reference (Deposit): VANDERBURG, 1936, RECONNAISSANCE OF MINING DISTRICTS IN PERSHING COUNTY; NEVADA; USBM IC 6902

Reference (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

Reference (Deposit): GARSIDE, L. J., 27 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.

Reference (Deposit): NBMG STAFF, 1985, NBMG OFR 85-3

Reference (Deposit): NBMG MINING DISTRICT FILE 299, ITEM 4.


Nevada Gold

Gold Districts of Nevada

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.