The Ralph Quad is a mine located in Harding county, South Dakota.
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
Ralph Quad MRDS details
Site Name
                            
                            Primary: Ralph Quad
                        
                
Commodity
                                        
                Secondary: Lignite
                
                            
                Tertiary: Natural Gas
                
                            
                Tertiary: Sand and Gravel, Construction
                
                            
                Tertiary: Petroleum (Oil)
                
                        
Location
                                                State: South Dakota 
                                                County: Harding 
                                
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
                            Record Type: District
                Operation Category: Occurrence
                Operation Type: Unknown
                Years of Production: 
                Organization: 
                Significant: 
           
        
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
 
                    Type: R
                   Description: THE RALPH QUADRANGLE LIES ON THE SOUTHWEST FLANK OF THE DAKOTA (WILLISTON) BASIN AND IS CHARACTERIZED BY A REGIONAL DIP OF 10 FT/MI (1.89 M/KM). MINOR FAULTS AND SHALLOW FOLDS, AMPLITUDE AND DISPLACEMENT LESS THAN 20 FT (6.10 M), ARE PRESENT, BUT HAVE NO PERSISTENT STRIKE.
            
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Not available
References
                
                                        Reference (Deposit): STEVENSON, ROBERT E., 1957, RALPH QUAD, SOUTH DAKOTA GEOLOGICAL SURVEY 
                                                                
            
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