The Colorado is a gold and silver mine located in Alaska.
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
Colorado MRDS details
Site Name
                            
                            Primary: Colorado
                        
                
Commodity
                                        
                Primary: Gold
                
                            
                Primary: Silver
                
                        
Location
                                                State: Alaska 
                                                            District: Hope District 
                    
Land Status
                                                Land ownership: National Forest
                        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: Occurrence
                Deposit Type: Vein
                Operation Type: Unknown
                Years of Production: 
                Organization: 
                Significant: N
                Deposit Size: S
           
        
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
 
                    Type: L
                   Description: Slate Cleavage Parallels On Dike
            
Alterations
Not available
Rocks
    
                    Name: Mafic Intrusive Rock
                    Role: Associated
                    Age Type: Host Rock Unit
                    Age Young: Late Cretaceous
Analytical Data
                                    
                Analytical Data: 2 FIVE FOOT CHIP SAMPLES, EACH ACROSS 5 FEET GAVE 0.05 AND 0.01 OZ/TON AU AND 0.2 OZ TON AG TWICE
            
                    
Materials
                                       
                    Ore: Gold 
                           
                    Ore: Silver 
                           
                    Gangue: Pyrite 
                           
                    Gangue: Quartz 
                        
Comments
Comment (Location): DEPOSIT NUMBER IS THE MAP LOCATION NUMBER FROM MF-880A. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Deposit): FRACTURED FELSIC DIKE IS RECEMENTED BY QUARTZ STRINGERS, WHICH NOW COMPRISE 20% OF VOLUME OF DIKE. DIKE IS 5-6 FT WIDE. SOME SULFIDES IN DIKE AS WELL AS IN STRINGERS.
Comment (Workings): OPEN CUTS AND A SHORT TUNNEL
References
                
                                        Reference (Deposit): USGS BULLETIN 849-I, P. 516 
                                                                
            
                
                                        Reference (Deposit): USGS MISCELLANEOUS FIELD STUDIES 880-A, LOCATION 45 
                                                                
            
                
                                        Reference (Deposit): USGS OPEN FILE 80-621, P. 57 
                                                                
            
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