Mine detail: Columbia Mine

Previously called 'Maiden Mine'

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Location

Lat / long:

43.89829, -103.4175

Resource(M)

Primary:	Gold, Silver
Ore:	Gold, Silver
Gangue:	Ankerite, Chalcopyrite, Graphite, Hornblende, Pyrrhotite, Quartz, Sphalerite
Discovery year:	1876

Production

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

Geology

Tectonic:

Southern Black Hills

References

MRDS	D007199
DEP	10011980
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.