February Group

The February Group is a tin mine located in Pennington county, South Dakota at an elevation of 5,000 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: February Group  

State:  South Dakota

County:  Pennington

Elevation: 5,000 Feet (1,524 Meters)

Commodity: Tin

Lat, Long: 43.925, -103.53583

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 February Group

February Group MRDS details

Site Name

Primary: February Group


Commodity

Primary: Tin


Location

State: South Dakota
County: Pennington
District: Hill City District


Land Status

Administrative Organization: Black Hills


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Harney Peak Tin Mining, Milling, And Manufacturing Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
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

Not available


Alterations

Not available


Rocks

Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic


Analytical Data

Analytical Data: 13 POUNDS CASSITERITE PER LONG TON (FROM A SINGLE SAMPLE).


Materials

Ore: Cassiterite


Comments

Comment (Deposit): SEVERAL SCATTERED CLAIMS, 7 ARE PATENTED.

Comment (Workings): A 100-FOOT SHAFT IN NO. 2 LODE AND A 100-FOOT SHAFT IN ONE OF THE DIKES NEAR THE NORTH END.

Comment (Location): SCATTERED CLAIMS IN SECTION 33 AND EXTENDING INTO SECTIONS TO THE NORTH AND WEST. CLOSE TO THE ADDIE LODE.


References

Reference (Deposit): USBM INFO CIRC 7707, P. 63


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