Mine detail: Comstock Mine

Previously called 'Comstock Mill Site, MS 90bPatented Claims: Comstock, MS 89Comstock, MS 90a'

<< Back to the map

Location

Lat / long:

37.37723, -108.07815

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper, Lead
Tertiary:	Zinc, Tellurium, Bismuth, Antimony
Ore:	Amalgam, Chalcopyrite, Covellite, Gold, Pyrite, Tetrahedrite
Gangue:	Ankerite, Limonite, Quartz
Discovery year:	1873

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
First production started:	1875
Last production ended:	1931

Geology

Host rock:	Cutler Formation
Host type:	Mudstone,Shale,Sandstone
Associated rock:	Porphyritic Rocks--Diorite-Monzonite Porphyry
Associated type:	Diorite
Structure:	San Juan Uplift, Four Corners Platform, La Plata Dome, Parrott Fault System
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010811
DEP	10014160
Reference	{Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 69-70, 103-104, PL. 17.}{Deposit:: COLORADO DIV. MINES INF. REPTS.}{Production:: ECKEL AND OTHERS, 1949, P. 103 (AS COMPILED FROM USGS AND USBM RECORDS)}
Reporter	Schwochow, Stephen D.