The Mica King Mine is a feldspar and mica mine located in Custer county, South Dakota at an elevation of 5,121 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: 5,121 Feet (1,561 Meters)
Commodity: Feldspar, Mica
Lat, Long: 43.75222, -103.52056
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.
Mica King Mine MRDS details
Site Name
Primary: Mica King Mine
Commodity
Primary: Feldspar
Primary: Mica
Tertiary: Beryllium
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: Consolidated Feldspar Corp.
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
Alteration Type: L
Alteration Text: Most Of The Mica Is Badly Stained
Rocks
Name: Pegmatite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Host Rock Unit
Age Young: Neoproterozoic
Name: Pegmatite
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic
Analytical Data
Not available
Materials
Ore: Mica
Ore: Feldspar
Ore: Beryl
Gangue: Quartz
Gangue: Sillimanite
Comments
Comment (Location): SE 1/4, SE 1/4
Comment (Production): MICA AND FELDSPAR HAVE BEEN SHIPPED FROM THE DEPOSIT.
Comment (Development): ECON.COM: INTERMEDIATE ZONE ADJACENT TO CORE IS THE ONLY ONE OF ECONOMIC IMPORTANCE.
Comment (Deposit): FOUR ZONES ARE PRESENT
Comment (Workings): THE OPENCUT IS 80 FT DEEP IN PLACES; OTHER DEVELOPMENT INCLUDES AN OLD SHAFT, A SHORT ADIT AND SEVERAL SMALL OPENCUTS.
References
Reference (Deposit): U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
Reference (Deposit): ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18
Reference (Production): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
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