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
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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.
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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