Mine detail: Nellie M. Mine

Previously called 'Patented Claim: Nellie M.Ms 623'

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Location

Lat / long:

38.00723, -107.31202

Resource(M)

Primary:	Silver
Secondary:	Copper
Tertiary:	Zinc
Ore:	Chalcopyrite, Silver, Sphalerite
Gangue:	Quartz

Production

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

Geology

Host rock:	Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics
Host type:	Sandstone,Rhyolite,Quartz Latite
Associated rock:	Eureka Member Of Sapinero Mesa Tuff;Fish Canyon Tuff
Associated type:	Rhyolite,Quartz Latite
Structure:	San Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D011564
DEP	10014682
Reference	{Deposit:: IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 101.}{Deposit:: LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.}{Deposit:: LIPMAN, P.W. AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MINERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.}{Deposit:: SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.}{Deposit:: BLM MINERAL SURVEY MS 623}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 179-180.}
Reporter	Schwochow, Stephen D.