Mine detail: Tiptop Lode

Previously called ''

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Location

Lat / long:

43.71552, -103.66974

Resource(B)

Primary:	Feldspar
Secondary:	Mica, Beryllium, Lithium
Ore:	Amblygonite, Beryl, Biotite, Muscovite
Gangue:	Apatite, Cleavelandite, Purpurite, Quartz, Spodumene, Tourmaline, Vivianite
Orebody form:	CRESCENT-SHAPED DIKE
Discovery year:	1880

Production

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

Geology

Host type:	Mica Schist
Associated type:	Pegmatite
Structure:	Black Hills Uplift, Ridge-Like Hill

References

MRDS	D008126
DEP	10101739
Reference	{Deposit:: USBM INFO CIRC 7707, P. 149-150.}{Deposit:: USGS PP 247, P. 205-206.}{Deposit:: SDGS RI 44, P. 8-12.}{Deposit:: SDGS MR 10, P. 5.}{Deposit:: SDGS MR 11, P. 5.}{Deposit:: AM MIN VOL 54, P. 1312-1323.}{Production:: USGS PP 247, P. 206; SDGS MR 10, P. 5; SDGS MR 11, P. 5.}
Reporter	Barari, Rachel A.