Mine detail: New York Mine

Previously called 'Westinghouse No. 1'

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Location

Lat / long:

43.70246, -103.6864

Resource(B)

Primary:	Feldspar, Mica
Tertiary:	Tantalum, Niobium (Columbium), Beryllium
Ore:	Beryl, Columbite, Feldspar, Muscovite, Tantalite
Gangue:	Amblygonite, Cassiterite, Cleavelandite, Lepidolite, Spodumene, Tourmaline

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1880

Geology

Host type:	Pegmatite
Associated type:	Pegmatite
Structure:	Faults, Shear Zones, Quartz Veins, Aplite Dikes

References

MRDS	SD02512
DEP	10055767
Reference	{Deposit:: U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 149}{Deposit:: SDSMT BULL 18}{Deposit:: USGS PP 247, P. 163-170}{Production:: USGS PP 247, P. 169}
Reporter	Barari, Rachel A.