The Keystone Mine is a silver, lead, and zinc mine located in Eureka county, Nevada at an elevation of 6,801 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: 6,801 Feet (2,073 Meters)
Commodity: Silver, Lead, Zinc
Lat, Long: 39.92389, -116.55056
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.
Keystone Mine MRDS details
Site Name
Primary: Keystone Mine
Commodity
Primary: Silver
Primary: Lead
Primary: Zinc
Secondary: Copper
Secondary: Gold
Location
State: Nevada
County: Eureka
District: Roberts 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
Not available
Ownership
Owner Name: Fred Komp And Ezra Edwards
Years: 1962 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1925
Discovery Year: 1870
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains
Mineral Deposit Model
Model Name: Skarn Zn-Pb
Orebody
Form: IRREGULAR
Form: IRREGULAR
Structure
Type: R
Description: Limestone Is Exposed In Window Of Roberts Mtn. Thrust
Alterations
Alteration Type: L
Alteration Text: Skarn Formation
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Devonian
Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Devonian
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Galena
Gangue: Quartz
Gangue: Garnet
Comments
Comment (Location): UTM PRECISION 1000M
Comment (Production): ORE ALSO CONTAINED SOME COPPER AND GOLD.
Comment (Development): MILL ERECTED IN 1910, OPERATED A SHORT TIME
Comment (Deposit): SULFIDES FORM LENTICULAR PODS IN TACTITE ALONG GRANODIORITE CONTACT.
Comment (Workings): 2 ADITS; SHALLOW SURFACE TRENCHING
Comment (Geology): THE SULFIDES FORM LENTICULAR PODS IN TACTITE ALONG THE GRANODIORITE CONTACT. NEAR THE SURFACE THE GALENA WAS ARGENTIFEROUS, AND COPPER ORE WAS FOUND AT A DEPTH OF 25 FEET.
Comment (Deposit): THE MINE IS ABOUT ONE MILE NORTHEAST OF WALTI HOT SPRINGS. WORKINGS CONSIST OF TWO ADITS AND SHALLOW SURFACE TRENCHING. THE MINE WAS DISCOVERED IN 1870, A MILL ERECTED IN 1910 OPERATED A SHORT TIME. THE PROPERTY WAS OWNED BY FRED KOMP AND EZRA EDWARDS IN 1962 ; INFO.SRC : 1 PUB LIT; 1 PUB LIT; 4 OTHER SRC
References
Reference (Deposit): ROBERTS, R.J., ET AL (1967) GEOLOGY & MINERAL RESOURCES OF EUREKA CO, NEV, NEV BUREAU OF MINES BULL 64
Reference (Deposit): U.S. BUREAU OF MINES (MILLETT) MILS NO. 157, REFERENCE NO. 3201100010
Reference (Production): ROBERTS, R.J. ET AL., (1967).
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.
