Beckman Lode

The Beckman Lode is a gold and silver mine located in Pennington county, South Dakota at an elevation of 5,190 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: Beckman Lode  

State:  South Dakota

County:  Pennington

Elevation: 5,190 Feet (1,582 Meters)

Commodity: Gold, Silver

Lat, Long: 43.91111, -103.55722

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 Beckman Lode

Beckman Lode MRDS details

Site Name

Primary: Beckman Lode
Secondary: General Custer
Secondary: Gold Coin Groups


Commodity

Primary: Gold
Primary: Silver


Location

State: South Dakota
County: Pennington
District: Keystone 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

Not available


Ownership

Not available


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

Type: L
Description: Extensive Cross Fracturing


Alterations

Not available


Rocks

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

Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Diorite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic

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


Analytical Data

Not available


Materials

Ore: Gold
Ore: Silver


Comments

Comment (Development): THE BECKMAN, GENERAL CUSTER, AND GOLD COIN GROUPS LIE ALONG THE CONTINUATION OF THE KEYSTONE "GOLD BELT" ; ECON.COM: A FEW ISOLATED STRINGERS ARE HIGH GRADE

Comment (Deposit): THE KEYSTONE GOLD BELT IS NOT WELL DEFINED ON THE BECKMAN GROUP

Comment (Workings): PROSPECTED BY SHALLOW SHAFTS, OPENCUTS, AND SHORT ADITS. MOST OPENINGS SHOW SOME GOLD.

Comment (Geology): NORTHWEST OF THE BECKMAN GROUP IS A LARGE DIORITE INTRUSION, WHICH SPLITS THE SHEAR ZONE AND MAY EXPLAIN THE LACK OF DEFINITION OF THE ZONE FURTHER SOUTH.

Comment (Location): NW 1/4 , NW 1/4


References

Reference (Deposit): US BUREAU OF MINES, 1955 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 , BUREAU OF MINES INFORMATION CIRCULAR 7707


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