Mine detail: Hedman Mine

Previously called 'Victory Mica Mine'

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Location

Lat / long:

43.78246, -103.56973

Resource(N)

Primary:	Mica
Ore:	Muscovite
Gangue:	Albite, Beryl, Microcline, Quartz, Scorzalite, Sillimanite, Tourmaline, Triphylite
Orebody form:	LENTICULAR DIKE

Production

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

Geology

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

References

MRDS	D004745
DEP	10101548
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Deposit:: ROBERTS, W.L., AND RAPP, GEORGE, 1965, MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18}
Reporter	Barari, Rachel A.