The Cassiterite Tin Prospect is a tin mine located in Pennington county, South Dakota at an elevation of 5,200 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: 5,200 Feet (1,585 Meters)
Commodity: Tin
Lat, Long: 43.93667, -103.58389
Map: View on Google Maps
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Cassiterite Tin Prospect MRDS details
Site Name
Primary: Cassiterite Tin Prospect
Commodity
Primary: Tin
Location
State: South Dakota
County: Pennington
District: Hill City 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.
Administrative Organization: Black Hills National Forest
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: G. W. Coats, H. G. Mills And E. C. Mills
Home Office: Hill City, S.D.
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
General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Black Hills
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Schists Strike N 20 E And Dip 50 Nw
Alterations
Not available
Rocks
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Cassiterite
Gangue: Beryl
Gangue: Quartz
Gangue: Muscovite
Comments
Comment (Location): ADJOINS THE TIN BOOM AND MOHAWK PROPERTIES
Comment (Deposit): CASSITERITE-BEARING QUARTZ VEINS WITH MUSCOVITE, AND A FEW BERYL CRYSTALS, 24 INCHES = AVERAGE THICKNESS. DIP IS 45 TO 70 DEG NE. THE CASSITERITE TIN PROSPECT CONSISTS OF THE SOUTH 900 FT OF THE CASSITERITE PATENTED TEN LODE, CONTAINING 6.12 ACRES.
Comment (Workings): 2 SHAFTS, 12 AND 25 FT WITH A SHORT CROSSCUT OFF THE BOTTOM OF THE DEEPER ONE. TRENCHES EXPOSE THE VEIN FOR ABOUT 75 FT. A 30 FOOT VERTICAL SHAFT IS SUNK IN THE SCHIST 75 FT SOUTHEAST OF THE VEIN.
Comment (Geology): CASSITERITE OCCURS AS IRREGULAR MASSES UP TO 2 INCHES IN DIAMETER, ASSOCIATED WITH THE MICA AND BERYL
References
Reference (Deposit): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
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