Mine detail: Dan Patch Group

Previously called ''

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Location

Lat / long:

43.89413, -103.44223

Resource(B)

Primary:	Feldspar, Mica, Beryllium
Tertiary:	Tantalum, Zinc
Ore:	Beryl, Muscovite, Sphalerite
Gangue:	Cleavelandite, Quartz, Triphylite, Uraninite, Zircon
Orebody form:	PIPELIKE
Other material:	Albite
Discovery year:	1905

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Pegmatite
Associated rock:	Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02302
DEP	10104257
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: AM. MINERALOGIST, VOL 56, P. 1-17.}
Reporter	Barari, Rachel A.