Mine detail: Columbia Mine

Previously called 'Josephine Claim'

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Location

Lat / long:

35.82028, -115.47612

Resource(M)

Primary:	Copper
Secondary:	Zinc, Gold, Silver
Ore:	Chalcocite, Chalcopyrite, Chrysocolla, Heterogenite, Malachite
Gangue:	Dioptase, Quartz

Production

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

Geology

Host type:	Limestone
Associated type:	Granite
Structure:	Large Scale Overthrusts., Fault West Of The Shaft

References

MRDS	M031100
DEP	10037212
Reference	{Deposit:: HEWETT, 1931 , GEOLOGY AND ORE DEPOSITS OF GOODSPRINGS QUAD. USGS PROF. PAPER 162 P. 121 - 122 .}{Deposit:: LONGWELL, C. R., PAMPEYAN, E. H., BOWYER, B., ROBERTS, R. J., 1965 , GEOLOGY & MINERAL DEPOSITS OF CLARK CO. NEV. BUREAU OF MINES BULL. 62 .}{Deposit:: HEWETT, 1956 , GEOLOGY MINERAL RESOURCES OF IVANPAH QUAD. USGS PROF. PAP. 275 , P. 133 - 134 .}{Production:: LONGWELL ETAL, 1965}
Reporter	Harner, Joy L. (Roberts, Ralph J.)