Keenan Properties Placer

The Keenan Properties Placer is a gold, tungsten, tin, and tantalum mine located in Lawrence county, South Dakota at an elevation of 5,935 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: Keenan Properties Placer

State:  South Dakota

County:  Lawrence

Elevation: 5,935 Feet (1,809 Meters)

Commodity: Gold, Tungsten, Tin, Tantalum

Lat, Long: 44.37083, -104.03306

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 Keenan Properties Placer

Keenan Properties Placer MRDS details

Site Name

Primary: Keenan Properties Placer


Commodity

Primary: Gold
Primary: Tungsten
Primary: Tin
Primary: Tantalum


Location

State: South Dakota
County: Lawrence
District: Tinton 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

Owner Name: Peggy Keenan


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Placer
Operation Type: Unknown
Year First Production: 1876
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

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

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


Analytical Data

Not available


Materials

Ore: Scheelite
Ore: Gold
Ore: Cassiterite


Comments

Comment (Location): NE 1/4 OF SEC. 30

Comment (Production): SEVERAL HUNDRED POUNDS OF CONCENTRATES

Comment (Deposit): PLACER GROUND EXTENDS 1 MI EAST ALONG POTATO CREEK AND 3 MI NORTH ALONG BEAR GULCH.


References

Reference (Deposit): US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688


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