The Bear Mine is a barium-barite mine located in Eureka 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
Bear Mine MRDS details
Site Name
                            
                            Primary: Bear Mine
                        
                
Commodity
                                        
                Primary: Barium-Barite
                
                            
                Tertiary: Gold
                
                            
                Tertiary: Silver
                
                            
                Tertiary: Copper
                
                            
                Tertiary: Lead
                
                        
Location
                                                State: Nevada 
                                                County: Eureka 
                                                District: Union 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
Not available
Production
Not available
Deposit
                            Record Type: Site
                Operation Category: Past Producer
                Operation Type: Unknown
                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
Not available
Orebody
                                                                            Form: STRATABOUND, BLANKET
                                    
Structure
 
                    Type: R
                   Description: Roberts Mountain Thrust
            
Alterations
Not available
Rocks
    
                    Name: Limestone
                    Role: Host
                    Age Type: Host Rock Unit
                    Age Young: Late Devonian
    
                    Name: Limestone
                    Role: Host
                    Age Type: Host Rock
                    Age Young: Late Devonian
Analytical Data
Not available
Materials
                                       
                    Ore: Barite 
                        
Comments
Comment (Production): ORE BODIES ALSO CONTAIN MINOR GOLD, SILVER, COPPER AND LEAD.
Comment (Deposit): BARITE LAYERS REPLACE LIMESTONE ALONG BEDDING PLANES
Comment (Geology): BARITE LAYERS UP TO 6 FEET THICK REPLACE THE LIMESTONE ALONG BEDDING PLANES
References
                
                                        Reference (Deposit): USBM (WINNEMUCCA) MILS NO. 20., REFERENCE NO. 3201100046 
                                                                
            
                
                                        Reference (Deposit): MINOBRAS, (1973) NEVADA INDUSTRIAL MINERALS, PAGE 18 
                                                                
            
                
                                        Reference (Production): ROBERTS, R.J., ET AL, 1967 
                                                                
            
                
                                        Reference (Deposit): ROBERTS, R.J., ET AL (1967) GEOLOGY AND MINERAL RESOURCES OF EUREKA CO., NEV. BUR. OF MINES BULL 64 
                                                                
            
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.