Cassiterite Tin Prospect

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

Name: Cassiterite Tin Prospect  

State:  South Dakota

County:  Pennington

Elevation: 5,200 Feet (1,585 Meters)

Commodity: Tin

Lat, Long: 43.93667, -103.58389

Map: View on Google Maps

Satelite View

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.


Satelite image of the Cassiterite Tin Prospect

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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