Mine detail: Comstock Mine 188
*

Previously called 'Canfield Tunnel: Patented Claim In 1893 Comstock'

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Location

Lat / long:

32.93483, -107.72004

Resource(M)

Primary:	Lead, Silver
Secondary:	Copper, Manganese, Zinc, Gold
Ore:	Argentite, Chalcopyrite, Galena, Gold, Pyrolusite, Silver, Sphalerite, Wad
Gangue:	Calcite, Quartz, Rhodochrosite, Rhodonite
Orebody form:	IRREGULAR
Discovery year:	1885

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1885
Last production ended:	1941

Geology

Host rock:	Fusselman Dolomite;Percha Shale
Host type:	Dolomite
Associated type:	Monzonite,Andesite
Structure:	Deposits Occur Near Dolomite-Shale Contact And Near Monzonite Sill.
Alteration processes:	Silicified Dolomite

References

MRDS	D006852
DEP	10011743
Reference	{Deposit:: LINDGREN, W., GRATON, L.C. AND GORDON, C.H., 1910 USGS PP 68, P.269, PLATE XXI}{Deposit:: HARLEY, G.T., 1934 NMBMMR BULL 10, P.103}{Deposit:: FARNHAM, L.L., 1961 USBM IC 8030, P.102-104}{Deposit:: HEDLUND, D.C., 1977 USGS MAP MF-900-B}{Deposit:: 5) NMBMMR GENERAL FILE DATA}
Reporter	Menzie, David