Jack Rabbit Mine

The Jack Rabbit Mine is a beryllium and mica mine located in Custer county, South Dakota at an elevation of 5,279 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: Jack Rabbit Mine  

State:  South Dakota

County:  Custer

Elevation: 5,279 Feet (1,609 Meters)

Commodity: Beryllium, Mica

Lat, Long: 43.69194, -103.62167

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 Jack Rabbit Mine

Jack Rabbit Mine MRDS details

Site Name

Primary: Jack Rabbit Mine


Commodity

Primary: Beryllium
Primary: Mica


Location

State: South Dakota
County: Custer
District: Custer 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: Francis And Abram Duncan


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
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

Not available


Materials

Ore: Beryl
Gangue: Oligoclase
Gangue: Albite
Gangue: Quartz


Comments

Comment (Deposit): 2 ZONES: QUARTZ-ALBITE-PERTHITE-MUSCOVITE WALL ZONE AND A QUARTZ-PEGMATITE CORE. MUSCOVITE BOOKS 10 - 12 INCHES IN DIAMETER. TWO UNPATENTED CLAIMS.

Comment (Workings): THE SHAFT HAS LEVELS AT 38 AND 54 FT, EACH WITH 90 FT OF DRIFT. THE MAIN OPEN PIT IS 7 FT DEEP.


References

Reference (Deposit): ROBERTS, W.L., AND RAPP, GEORGE, 1965, THE MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18

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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