The New York Mine is a feldspar and mica mine located in Custer county, South Dakota at an elevation of 5,295 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: 5,295 Feet (1,614 Meters)
Commodity: Feldspar, Mica
Lat, Long: 43.7025, -103.68583
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.
New York Mine MRDS details
Site Name
Primary: New York Mine
Secondary: Westinghouse No. 1
Commodity
Primary: Feldspar
Primary: Mica
Tertiary: Tantalum
Tertiary: Niobium (Columbium)
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
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: New York Mine Corp.
Home Office: Denver, Co
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1880
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
Type: L
Description: Faults, Shear Zones, Quartz Veins, Aplite Dikes
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
Not available
Materials
Ore: Beryl
Ore: Columbite
Ore: Muscovite
Ore: Tantalite
Ore: Feldspar
Gangue: Amblygonite
Gangue: Cleavelandite
Gangue: Cassiterite
Gangue: Lepidolite
Gangue: Spodumene
Gangue: Tourmaline
Comments
Comment (Deposit): ONE SMALL CLAIM, 300 BY 1500 FEET, IS PATENTED. THE DIKE NARROWS 8 FT IN EACH 100 FT OF DEPTH. COMPLEX DIKE-5 ZONES. SHEET MICA
Comment (Workings): THE PRINCIPAL LEVELS ARE AT 100, 200 AND 300 FT
Comment (Geology): 0.25-0.50% OF THE WALL ZONE MATERIAL IS BERYL WITH NUMEROUS INCLUSIONS.
Comment (Reserve-Resource): ITEM 1 AND 2: HANGING WALL. ITEM 3: FOOTWALL
Comment (Location): JUST EAST OF THE CENTER OF THE SECTION; 1/2 MILE SW OF THE HELEN BERYL MINE
References
Reference (Deposit): U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 149
Reference (Deposit): SDSMT BULL 18
Reference (Deposit): USGS PP 247, P. 163-170
Reference (Production): USGS PP 247, P. 169
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