Mine detail: Bueno Mine

Previously called 'BuenaWano Group'

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Location

Lat / long:

40.12081, -105.4042

Resource(B)

Primary:	Gold, Silver
Secondary:	Copper
Tertiary:	Fluorine-Fluorite, Tungsten
Ore:	Krennerite, Gold, Sylvanite
Gangue:	Fluorite, Pyrite, Quartz

Production

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

Geology

Host rock:	Silver Plume Granite
Host type:	Granitoid
Structure:	pipe-like stockworks at vein interections and along veins
Alteration processes:	silicified or sericitized wall rock

References

MRDS	DC03450
DEP	10017417
Reference	{Deposit:: STATE OF COLO. METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLO.}{Deposit:: CONSV. DIV. COMP. DATE, 1,62}{Deposit:: Lovering, T. S., and Goddard, E. N., 1950, Geology and ore deposits of the Front Range, Colorado: U.S. Geological Survey Professional Paper 223, 319 p.}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}{Deposit:: Vanderwilt, J.W., 1947, Mineral resources of Colorado: State of Colorado Mineral Resources Board, 547 p.}
Reporter	Conservation Division Files, Unknown, Beach, Richard A.