The Dike Lode is a feldspar, mica, beryllium, and lithium mine located in Pennington county, South Dakota at an elevation of 4,600 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: 4,600 Feet (1,402 Meters)
Commodity: Feldspar, Mica, Beryllium, Lithium
Lat, Long: 43.85667, -103.40472
Map: View on Google Maps
Dike Lode MRDS details
Site Name
Primary: Dike Lode
Secondary: Dyke Lode
Commodity
Primary: Feldspar
Primary: Mica
Primary: Beryllium
Primary: Lithium
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
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: John Fisher Of Custer, Sd
Years: 1944 -
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
Form: PEAR-SHAPED
Structure
Not available
Alterations
Not available
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Analytical Data
Analytical Data: AMBLYGONITE SAMPLE=9.18% LI2O. SPODUMENE SAMPLE=6% LI2O
Materials
Ore: Feldspar
Ore: Beryl
Ore: Muscovite
Ore: Amblygonite
Ore: Spodumene
Gangue: Quartz
Comments
Comment (Workings): AN INCLINED SHAFT CONNECTED TO A GLORY HOLE IN THE BOTTOM OF THE PIT
Comment (Production): PRODUCTION TO JUNE, 1945
Comment (Development): RESERVES OF SPODUMENE AND AMBLYGONITE APPEAR MODERATELY LARGE
Comment (Deposit): 3 ZONES, ONE UNPATENTED LODE CLAIM
References
Reference (Deposit): USGS PP 247, P. 101-102
Reference (Deposit): USBM INFO CIRC 7707, P. 69-70
Reference (Production): USGS PP 247, P. 101
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