Mine detail: Leonard Mine

Previously called ''

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Location

Lat / long:

46.02073, -112.50506

Resource(M)

Primary:	Copper
Secondary:	Silver
Tertiary:	Tungsten
Ore:	Chalcocite, Covellite, Enargite, Huebnerite, Tetrahedrite
Gangue:	Barite, Pyrite, Quartz
Discovery year:	1886

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1887

Geology

Host type:	Quartz Monzonite,Granite
Associated rock:	Butte Quartz Monzonite (Boulder Batholith)
Associated type:	Quartz Monzonite,Granite
Structure:	Boulder Batholith, Rarus Fault
Alteration processes:	Main Stage Alteration

References

MRDS	W013415
DEP	10070469
Reference	{Deposit:: MILLER, R. N., ED., 1973, GUIDEBOOK FOR THE BUTTE FIELD MEETING, PRESENTED BY THE SOCIETY OF ECONOMIC GEOLOGISTS}{Deposit:: USGS PP 74, P. 210-15, PL. X.}{Deposit:: MBMG BULL 109, P. 19.}{Production:: MILLER, 1973, GUIDEBOOK FOR BUTTE FIELD MEETING}
Reporter	Wise, Kristine K. (Elliott, James E.), Mlynarczyk, Meg S.; Krohn, D.