The Bald Mountain is a gold mine located in White Pine county, Nevada at an elevation of 8,005 feet.
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
Elevation: 8,005 Feet (2,440 Meters)
Commodity: Gold
Lat, Long: 39.9486, -115.57530
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.
Bald Mountain MRDS details
Site Name
Primary: Bald Mountain
Secondary: Bald Mountain/Alig Ridg-Yankee Mine
Commodity
Primary: Gold
Secondary: Silver
Location
State: Nevada
County: White Pine
District: Bald Mountain 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
Type: Located Claim
Workings
Type: Surface
Ownership
Owner Name: Placer Dome U. S. Inc. (Sub Of Placer Dome Inc.)
Percent: 100.0
Home Office: Nevada
Info Year: 1996
Years: 1975 -
Production
Year: 1996
Description: Mill Feed Ore @ 1.5 G/Mt Au 3124000 Mt Ore
Year: 1996
Description: Gold Production 107708 Tr Oz/Yr
Year: 1995
Description: Mill Feed Ore @ 1.6 G/Mt Au 2632000 Mt Ore
Year: 1995
Description: Gold Production(Bald Mt+Alig Rdg+Yankee) 114215 T Oz/Yr Gold
Year: 1994
Description: Gold Production 120289 T Oz/Yr Gold
Year: 1993
Description: Gold Production(Bald Mt+Alig Rdg+Yankee) 90612 T Oz/Yr Gold
Year: 1992
Description: Gold Production (Bald Mt Only) 81582 T Oz/Yr Gold
Year: 1990
Description: Heap Leach 1,870,191 G Au Produced 1179334 Metric Ton Ore/Yr
Year: 1989
Description: Heap Leach 1,714,176 G Au Produced 1088616 Metric Ton Ore/Yr
Year: 1988
Description: Heap Leach 1,512,221 G Au Produced 946189 Metric Ton Ore/Yr
Year: 1987
Description: Heap Leach 1,497,074 G Au Produced 772010 Metric Ton Ore/Yr
Year: 1986
Description: Heap Leach 1,085,481 G Au Produced 600553 Metric Ton Ore/Yr
Deposit
Record Type: Site
Operation Category: Plant
Plant Type: Leach
Operation Type: Surface
Mining Method: Open Pit
Milling Method: Heap Leach-Agglomerate-Carbon Column-Electrowin
Year First Production: 1983
Discovery Year: 1975
Discovery Method: Geochemical And Geophysical Anomaly
Years of Production:
Organization:
Significant: Y
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Powellite
Unknown: Cerussite
Unknown: Chrysocolla
Unknown: Jasper
Unknown: Malachite
Unknown: Molybdenite
Unknown: Pyrite
Unknown: Quartz
Unknown: Stibnite
Unknown: Calcite
Comments
Comment (Economic Factors): LEACH TESTS TO BEGIN IN SEPTEMBER,1983 & END JUNE,1984.
Comment (Exploration): INTENSIVE ONGOING EXPLORATION ON 3 ADJACENT AREAS IN 1983.
Comment (Production): 1988 AU PROD.= 50,000 OZ., 1989 AU PROD. = 55,112 OZ. FROM LEACHING 1,088,000 MT ORE. 1989 RESERVE = 462,000 OZ.CONT.AU PAST DISTRICT PRODUCTION: FROM VEIN-LIKE REPLACEMENT DEPOSI- TS IN BRECCIA ZONES (SOME JASPEROID) ALONG NW,NE OR N TRE- NDING FAULTS IN LIMESTONE; NW OR W TRENDING QTZ. VEINS IN QTZ. MONZONITE PORPHYRY AND IN VALLEY PLACERS. PAST MINE PRODUCTION: 109 KG AU FROM 60000 T TEST HEAP LEACH IN 1983. PRIOR TO 1993 ONLY BALD MOUNTAIN PRODUCTION. AS OF 1993 PRODUCTION INCLUDES YANKEE AND ALLIGATOR RIDGE.
Comment (Workings): PROCESS WATER: 4,000,000 GPD IN SUMMER AND 2,000,000 GPD IN WINTER.
Comment (Deposit): GENERAL SIZE OF ORE BODY: SMALL. FILE INCLUDES AS OF 12/31/95 THE ALLIGATOR RIDGE MAS PROPERTY SEQ# 0320330470 AND YANKEE MINE MAS PROPERTY SEQ# 0320330075.
Comment (Reserve-Resource): HEAP LEACH OPERATION. ANNUAL CAP BASED AVG 1996-96 DATA. RESERVES/RESOURCES; TOTAL DEMONSTRATED (PROV+PROB+MEAS+INDI) ORE; 12/31/96; INCLUDES MATERIAL FROM ALLIGATOR RIDGE & THE YANKEE MINE:
Comment (Reserve-Resource): BIBLIOG REF NOT GIVEN.
Comment (Location): GENERAL LOCATION: ABOUT 130 KM NW OF ELY.
Comment (Geology): MINERALS LISTED ARE FROM DISTRICT,MINE MINERALS UNAVAILABLE.
Comment (Geology): LIMEY SHALES AND LIMESTONES EXPOSED AT DRILL ROADS.
References
Reference (Deposit): PLACER DOME INC., PRESS RELEASE, 02/22/96, PP. 10, 11.
Reference (Deposit): COMPANIES, P229.
Reference (Deposit): RANDOL, MINING DIRECTORY, 1996/1997, U.S. MINES &
Reference (Deposit): PAREDES, MINE ENGINEER, AT THE BALD MOUNTAIN MINE, OCT 1991.
Reference (Deposit): R. RANEY INTERVIEW WITH D. BAILEY, MINE MANAGER AND D.J.
Reference (Deposit): MOUNTAIN. BULL., V. 9, NO. 3, 1985, P. 14.
Reference (Deposit): NEVADA MINING ASSOC. PLACER INCREASES OPERATION AT BALD
Reference (Deposit): PLACER DEVELOPMENT. V. 57, NO. 4, APR. 1984, PP.9-12.
Reference (Deposit): CANADIAN EXPLORATION AND MINING; WIDE-RANGING INTERESTS OF
Reference (Deposit): WESTERN MINER (VANCOUVER, BC). ALIVE IN THE WEST:
Reference (Deposit): V. 53, 1942, PP. 681-684.
Reference (Deposit): SOUTHERN RUBY MOUNTAINS, NEVADA. GEOL. SOC. AM. BULL.,
Reference (Deposit): SHARP, R. P. STRATIGRAPHY AND STRUCTURE OF THE
Reference (Deposit): FIG. 4, SCALE 1:125,000; FIG. 5, SCALE 1:125,000.
Reference (Deposit): UT GEOL. ASSOC., SALT LAKE CITY, UT, 1960, PP. 173-180,
Reference (Deposit): THE GEOLOGY OF EAST CENTRAL NEVADA, 11TH ANNU. FIELD CONF.,
Reference (Deposit): NEVADA. INTERMOUNTAIN ASSOC. PETROL. GEOL. GUIDEBOOK TO
Reference (Deposit): MOUNTAIN AREA, SOUTHERN RUBY MOUNTAINS, WHITE PINE COUNTY,
Reference (Deposit): PLACER DOME INC. 1990 ANNUAL REPORT, 64 P.
Reference (Deposit): RIGBY, J. K. GEOLOGY OF THE BUCK MOUNTAIN-BALD
Reference (Deposit): DIEGO STATE UNIV., SAN DIEGO, CA, 1974, 90 PP.
Reference (Deposit): MOUNTAIN, WHITE PINE COUNTY, NEVADA. M.S. THESIS, SAN
Reference (Deposit): RAVENSCROFT, A. W. THE GEOLOGY OF THE BIG BALD
Reference (Deposit): BUREAU OF MINES AND GEOL. BULL. 85, 1976, 105 PP.
Reference (Deposit): AND MINERAL RESOURCES OF WHITE PINE COUNTY, NEVADA. NV
Reference (Deposit): PROVO, UT, 1964, 35 PP.
Reference (Deposit): HOSE, R. K., M. C. BLAKE, AND R. M. SMITH. GEOLOGY
Reference (Deposit): RUBY MOUNTAINS, NEVADA. M.S. THESIS, BRIGHAM YOUNG UNIV.,
Reference (Deposit): BLAKE, J. W. GEOLOGY OF THE BALD MOUNTAIN INTRUSIVE,
Reference (Reserve-Resource): PLACER DOME INC., 1996 FORM 40-F, PP 14-6.
Reference (Reserve-Resource): 1995/96 NEVADA MINES DIRECTORY, P16.
Reference (Reserve-Resource): PLACER DOME, INC. 1995 FORM 10-K REPORT, P12.
Reference (Reserve-Resource): PLACER DOME, INC. PRESS RELEASE, FEB. 22, 1996, PP10, 11.
Reference (Reserve-Resource): ASSOC. BULL., V. 8, NO. 2, 1984, P. 4.
Reference (Reserve-Resource): TARGETS U.S. ACTIVITIES ON PRECIOUS METALS. NV MIN.
Reference (Reserve-Resource): NEVADA MINING ASSOCIATION (RENO). PLACER DEVELOPMENT
Reference (Reserve-Resource): NO. 3, 1983, P. 10.
Reference (Reserve-Resource): RUN OF NEW OPEN-PIT GOLD MINE. NV MIN. ASSOC. BULL., V. 7,
Reference (Reserve-Resource): NEVADA MINING ASSOCIATION (RENO). PLACER AMEX TEST
Reference (Reserve-Resource): PP. 9-10, 19.
Reference (Reserve-Resource): PLACER DEVELOPMENT LTD. ANNUAL REPORT, 1980. 1981,
Reference (Production): PLACER DOME INC., 1996 FORM 40-F, P13.
Nevada Gold
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.
