Mine detail: Pohndorf Mine

Previously called ''

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Location

Lat / long:

45.86907, -112.35366

Resource(N)

Primary:	Gemstone
Ore:	Amethyst
Gangue:	Albite, Apatite, Biotite, Magnetite, Microcline, Muscovite, Quartz, Sericite, Sphene, Tourmaline
Orebody form:	LENS

Production

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

Geology

Host rock:	Butte Quartz Monzonite
Host type:	Quartz Monzonite
Associated type:	Quartz Monzonite
Tectonic:	Boulder Batholith
Alteration processes:	Corrosion

References

MRDS	D004324
DEP	10010552
Reference	{Deposit:: HEINRICH, E.W., 1949, PEGMATITE MINERAL DEPOSITS IN MONTANA: MONT. BUREAU OF MINES AND GEOLOGY MEMOIR 28, P 48-49}{Deposit:: 1949 RECON MBMG MEMOIR 2}
Reporter	Loen, Jeffrey S. (Pearson, Robert C.)