Mine detail: Ferguson Lode Claim

Previously called ''

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Location

Lat / long:

43.87635, -103.36778

Resource(B)

Primary:	Feldspar, Beryllium
Ore:	Beryl, Feldspar
Gangue:	Albite, Apatite, Cassiterite, Cleavelandite, Columbite, Goethite, Graphite, Microcline, Muscovite, Opal, Plagioclase, Quartz, Spodumene, Tourmaline, Uraninite, Uranophane, Vivianite, Zircon
Orebody form:	TABULAR DIKE

Production

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

Geology

Host type:	Pegmatite
Associated type:	Pegmatite
Structure:	The Pegmatite Is On The Southern End Extremity Of A N-S Ridge.
Alteration processes:	Iron-Stained

References

MRDS	D008116
DEP	10012470
Reference	{Deposit:: USBM INFO CIRC 7707, P. 71-72.}{Deposit:: DANAS SYSTEM OF MINERALOGY, ED VOL 2, P. 952-953.}{Deposit:: ENCYCLOPEDIA OF MINERALS}{Deposit:: SPRING, S. G., AND ANDERSON, D. W., 1957, A GEOLOGIC INVESTIGATION OF THE FERGUSON PEGMATITE, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.}{Production:: USBM INFO CIRC 7707, P. 72.}
Reporter	Barari, Rachel A.