Mine detail: Marydale Prospect

Previously called ''

<< Back to the map

Location

Lat / long:

43.69857, -103.61306

Resource(N)

Primary:	Mica
Ore:	Muscovite
Gangue:	Apatite, Biotite, Microcline, Quartz, Tourmaline

Production

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

Geology

Host type:	Mica Schist,Pegmatite
Associated type:	Pegmatite
Alteration processes:	Much Of The Mica Is Air Stained, Ruled And Badly Reeved

References

MRDS	SD02549
DEP	10055794
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS. SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707 P. 160}{Deposit:: USGS PP 247, P. 10, 11, 149-150.}{Production:: USGS PP 247, P. 149}
Reporter	Barari, Rachel A.