Black Metal Group

The Black Metal Group is a 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

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.

Site Name

Primary: Black Metal Group

Commodity

Tertiary: Tungsten
Tertiary: Tin

Location

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

Land Status

Land ownership: Private
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.

Holdings

Type: Patented

Workings

Not available

Ownership

Owner Name: Sold By Bradly As Summer Home Sites
Percent: 50.00
Home Office: South Dakota
Info Year: 1976

Owner Name: Bradley, Al
Percent: 50.00
Home Office: South Dakota
Info Year: 1976

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N

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

Not available

Analytical Data

Not available

Materials

Unknown: Cassiterite
Unknown: Muscovite
Unknown: Pyrite
Unknown: Quartz
Unknown: Scheelite
Unknown: Wolframite

Comments

Comment (Deposit): NUMEROUS QUARTZ VEINS OCCUR TROUGHOUT 9 CLAIMS CONTAINING WO FRAMITE, SCHEELITE AND CASSITERITE. VEINS ARE LESS THAN 1 AND HAVE A GENERAL EAST-WEST STRIKE WITH VERTICAL DIPS. MINE WORKINGS CONSIST OF 2 SHAFTS 47- AND 65-FT DEEP, 60-FT (AT BOTTOM OF 65-FT SHAFT), MANY TRENCHES AND SHALLOW TEST A NUMBER OF QTZ VEINS FROM 4 TO 12 INCHES IN WIDTH OCCUR IN ST WOLFRAMITE SCHGELITE AND CASSITERITE OCCUR WITH PYRITE MICA RMALINE IN THE QTZ ONE VEIN HAS BEEN EXPOSED BY 60 FT OF TRENCHING AND A 47 FT ANOTHER VEIN HAS A 65 FT VERTICAL SHAFT WITH A DRIFT EXTENDI T NORTH AND 30 FT SOUTH AT ITS BASE SEVERAL OTHER VEINS HAVE BEEN EXPOSED BY PITS AND EXPLORATOR HES ON THE PROPERTY NO PRODUCTION IS RECORDED SHAFTS AND MAJOR PITS ARE NOW FILLED IN LOCATION OF PROSPECT IS OF PIT SAMPLED THOUGH PROPERTY INCLU ROX 180 ACRES BACKUP FILE CONTAINS FILE REPORT PLUS MAPS

References

Reference (Deposit): BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA, PT 2. 1955, USBM IC

Reference (Deposit): P 36.

Reference (Deposit): HESS, FRANK L, 1909, TIN, TUNGSTEN, AND TANTALUM IN SOUTH DA

Reference (Deposit): USGS BULL 380, P 150-2.

Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 16 1929 P 202

Reference (Deposit): CUMMINGS T B REPT OF S DAK STATE PLANNING BOARD 1936 TIN DEP

Reference (Deposit): F SOUTH DAKOTA P 29

Reference (Deposit): CUMMINGS J B REPT OF S DAK STATE PLANNING BOARD 1936 TUNGSTE

Reference (Deposit): G IN SOUTH DAKOTA P 24-25

Reference (Deposit): GEOL SURVEY BULL 380 1909 P 150 152

Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 17 1937 P 127

Reference (Deposit): SOUTH DAKOTA SCHOOL OF MINES BULL 12 1918 P 59 61

Reference (Deposit): U S BUREAU OF MINES INFO CIRC 7707 P 36

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