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
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.
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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