Mine detail: Mendota Mine (Victoria Tunnel)

Previously called 'Mendota-FrostbergMendota-SmugglerMendota-Apex Shaft'

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Location

Lat / long:

39.69971, -105.73616

Resource(M)

Primary:	Zinc, Lead, Silver
Secondary:	Gold, Copper
Ore:	Galena, Gold, Silver, Sphalerite, Chalcopyrite
Gangue:	Pyrite, Siderite, Quartz

Production

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

Geology

Host rock:	Idaho Springs Formation, Silver Plume Granite
Host type:	Schist,Gneiss,Granite
Structure:	granite wall rock and vein intersections are favorable
Alteration processes:	silicification, sericitization

References

MRDS	DC03090
DEP	10017218
Reference	{Deposit:: USBM MINERAL EXAM. FILE, DENVER}{Deposit:: CONSV. DIV. COMP. DATE, 6,63}{Deposit:: Spurr, J. E., Garrey, G. H., and Ball, S. H., 1908, Economic geology of the Georgetown quadrangle, Colorado: U.S. Geological Survey Professional Paper 63, 422 p.}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}{Deposit:: Lovering, T. S., and Goddard, E. N., 1950, Geology and ore deposits of the Front Range, Colorado: U.S. Geological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:: REF: REF: MINE MAP REPO. # 402390, MMR #405009,USGS CRIB}{Deposit:: REF:CBM ANNUAL REPORT 1920 OWN/OP:WASATCH COLORADO MINING CO}
Reporter	Conservation Division Files, Unknown, Intermountain Field Operations Center (IFOC), Beach, Richard A., Melton, Greg