The Lyon Deposit is a copper mine located in Lyon county, Nevada at an elevation of 4,757 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: 4,757 Feet (1,450 Meters)
Commodity: Copper
Lat, Long: 38.9283, -119.04140
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.
Lyon Deposit MRDS details
Site Name
Primary: Lyon Deposit
Secondary: Pumpkin Hollow A Portion Only
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Location
State: Nevada
County: Lyon
District: Yerington
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: Underground
Ownership
Owner Name: Plexus Resources Corp.
Percent: 100.0
Home Office: Utah
Info Year: 1985
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
Mining Method: Open Stope - Room and Pillar
Milling Method: Flotation
Discovery Year: 1960
Years of Production:
Organization:
Significant: N
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: Calcite
Unknown: Chalcopyrite
Unknown: Chlorite
Unknown: Epidote
Unknown: Magnetite
Unknown: Quartz
Unknown: Serpentine
Unknown: Talc
Comments
Comment (Deposit): NOT INCLUDED IN THE 1978 SUPPLY ANALYSIS. RESOURCES: 7.5 MILLION @ 3.1% CU, 8.6 GM AG, & 0.5 GM AU 26.3 MILLION @ 1.1% CU (SURROUNDING ABOVE) PLEXUS RESOURCES CORP., 1984 AR; AMERICAN MINES HANDBOOK, 1989, P145.
Comment (Production): NO PREVIOUS PRODUCTION
Comment (Reserve-Resource): NO INFERRED RESOURCE WAS CONSIDERED BY THE COMPANY. CALCULATIONS FOR THIS MATERIAL ARE NOT AVAILABLE. M1C1=M1C3+M1C4
Comment (Economic Factors): ORE IS MILLED ON SITE, THEN TRUCKED 40 KM TO THE SOUTHERN PACIFIC RALHEAD AT WABUSKA NEVADA, THEN RAIL HAULED TO HAYDEN, AZ. FOR SMELTING.
Comment (Economic Factors): UNDERGROUND DEVELOPMENT RECORDS ARE CUMMULATIVE; RECORD 1 DENOTES INITIAL MINING OF E-2 ZONE; RECORD 2 DENOTES FULL CAPACITY MINING OF THE E-2 ZONE; RECORD 3 DENOTES FULL PRODUCTION AT THE EAST ZONE TO END OF THE OPERATION.
References
Reference (Deposit): DEPOSIT, WESTERN NEVADA. PH.D. THESIS, STANFORD UNIV. CA,
Reference (Deposit): 1983, 389 PP.
Reference (Deposit): GALE, G.D. METALLURGICAL ENGINEER, WESTERN FIELD
Reference (Deposit): OPERATIONS CENTER. MINERALS AVAILABILITY SYSTEM REP. ON THE
Reference (Deposit): MARGARET PROJECT, 1980.
Reference (Deposit): GEOLOGICAL SOCIETY OF AMERICA. 36TH ANNUAL MEETING-
Reference (Deposit): ROCKY MOUNTAIN SECTION, 79TH ANNUAL MEETING-CORDILLERAN
Reference (Deposit): SECTION. GEOL. SOC. AMERICA, V. 15, NO. 5, 1983, P. 277.
Reference (Deposit): GEOLOGICAL SOCIETY OF NEVADA. NOVEMBER 1982 MEETING,
Reference (Deposit): GEOLOGY OF THE PUMPKIN HOLLOW COPPER MAGNETITE SKARN
Reference (Deposit): DEPOSITS, NOV. 1982.
Reference (Deposit): NEVADA BUREAU OF MINES. GEOLOGY AND MINERAL DEPOSITS
Reference (Deposit): OF LYON, DOUGLAS, AND ORMSBY COUNTIES, NEVADA. UNIV. NV.
Reference (Deposit): BUREAU OF MINES BULL. 75, PP. 6-7, 26-28.
Reference (Deposit): PLEXUS RESOURCES CORP. ANNUAL REPORTS, 1984-85.
Reference (Deposit): PROFFETT, J.M. JR., AND J.H. DILLES. GEOLOGIC MAP OF
Reference (Deposit): THE YERINGTON DISTRICT, NEVADA. NV BUREAU OF MINES AND GEOL
Reference (Deposit): MAP NO. 77, 1984.
Reference (Deposit): SECURITY AND EXCHANGE COMMISSION. FORM 2-14, 1976,
Reference (Deposit): PP. 60,67.
Reference (Deposit): SMITH, M.R. LECTURE FROM SKARN DEPOSIT FIELD TRIP.
Reference (Deposit): SYMPOSIUM OF THE ASSOCIATION OF EXPLORATION GEOCHEMISTS,
Reference (Deposit): EXPLORATION FOR ORE DEPOSITS OF THE NORTH AMERICAN
Reference (Deposit): CORDILLERA. MAR. 25-28, 1984.
Reference (Deposit): U.S. DEPARTMENT OF COMMERCE NATIONAL - OCEANIC AND
Reference (Deposit): ATMOSPHERIC ADMINISTRATION. MONTHLY NORMALS OF TEMPERATURE,
Reference (Deposit): PRECIPITATION, AND HEATING AND COOLING DEGREE DAYS, 1941-70.
Reference (Deposit): 1973, 10 PP.
Reference (Deposit): WEST, C. COMPANY OFFICIAL, PLEXUS RESOURCES CORP.
Reference (Deposit): PERSONAL COMMUNICATION, 1985.
Reference (Deposit): WORLD MINING. YERINGTON DISTRICT WILL BE A MAJOR
Reference (Deposit): FUTURE PORPHYRY COPPER PRODUCER. MAR. 1976, P. 82.
Reference (Deposit): WORLD MINING. ANACONDA-ATLANTIC RICHFIELD MUST DIVEST
Reference (Deposit): DILLES, J. H. THE PETROLOGY AND GEOCHEMISTRY OF THE
Reference (Deposit): YERINGTON BATHOLITH AND THE ANN MASON PORPHYRY COPPER
Reference (Deposit): CU RESERVES. MAY 1979, P. 65.
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.
