Mine detail: Jumbo Mine

Previously called 'Magnetite CliffCopper Mountain'

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Location

Lat / long:

55.25251, -132.62125

Resource(M)

Primary:	Copper, Gold, Silver
Tertiary:	Iron, Molybdenum, Zinc
Ore:	Chalcopyrite, Magnetite, Molybdenite, Specularite, Sphalerite
Gangue:	Epidote, Garnet, Pyrite, Pyrrhotite, Scapolite, Wollastonite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1903
Last production ended:	1919

Geology

Host type:	Limestone
Associated type:	Diorite

References

MRDS	A010683
DEP	10000496
Reference	{Deposit:: USGS BULLETIN 347, P. 199-102}{Deposit:: USBM REPORT OF INVESTIGATIONS 3952}{Deposit:: USGS PROFESSIONAL PAPER 251}{Deposit:: USGS OPEN FILE 78-869, P. 103-105}{Deposit:: ADGGS GEOLOGIC REPORT 48, P. 36-38}{Reserve-Resource:: USBM REPORT OF INVESTIGATIONS 3952, P. 6: USGS PROFESSIONAL PAPER 251}
Reporter	Hirschmann, M. M. (Elliott, R. L.)