The Apex Claim is a mica and beryllium mine located in Custer county, South Dakota at an elevation of 4,829 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: 4,829 Feet (1,472 Meters)
Commodity: Mica, Beryllium
Lat, Long: 43.60361, -103.51778
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.
Apex Claim MRDS details
Site Name
Primary: Apex Claim
Commodity
Primary: Mica
Primary: Beryllium
Location
State: South Dakota
County: Custer
District: Pringle 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
Ownership
Owner Name: Lou Pitts
Home Office: Pringle, S.D.
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: BRANCHING
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
Ore: Muscovite
Comments
Comment (Workings): SEVERAL OPEN CUTS AND SMALL PITS. THE MAIN OPEN CUT IS L-SHAPED, 150 FT LONG.
Comment (Deposit): UNPATENTED LODE CLAIM
Comment (Production): 1,000 LBS. OF BERYL WAS REPORTEDLY PRODUCED FROM A SMALL PIT SOUTHEAST OF THE MAIN OPENCUT
References
Reference (Production): U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707
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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