Mine detail: Custer Mountain Lode

Previously called 'Snookum'

<< Back to the map

Location

Lat / long:

43.75524, -103.56584

Resource(B)

Primary:	Beryllium, Feldspar, Mica, Lithium
Tertiary:	Tantalum
Ore:	Beryl, Feldspar, Lepidolite, Mica, Spodumene
Gangue:	Andalusite, Apatite, Cassiterite, Lazulite, Lithiophilite, Pyrite, Quartz, Sillimanite, Tourmaline, Triphylite, Uraninite
Orebody form:	IRREGULAR
Other material:	Amblygonite

Production

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

Geology

Host type:	Mica Schist,Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02505
DEP	10055762
Reference	{Deposit:: USBM INFO CIRC 7707, P. 100}{Deposit:: USGS PP 247, P. 97-98}{Deposit:: SDGS RI 50, P. 37-56.}
Reporter	Barari, Rachel A.