Commodities
PrimarySilver, Gold
SecondaryLead
TertiaryCopper, Antimony, Manganese, Zinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlNe-Trending Transverse Fault Related To Lake City Caldera Formation
Materials
Ore mineralsGalena, Sphalerite
GangueBarite, Quartz, Rhodochrosite
Geology
Host rockRhyolite
Associated rockRhyolite · Eureka Member Of Sapinero Mesa Tuff
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationSilicification; Oxidation Of Argentiferous Cu Sulfide To Pyrargyrite
Economic & production
Development statusPast Producer
First production1891
Last production1960
Identification
Deposit ID10014684
MRDS IDD011565
Alternate namesPatented Claims: Pelican, MS 464, Pelican No. 2, MS 17000a, Atlanta, MS 17000a, Cannon, MS 17000a, Benson, MS 17000a, Blair, MS 17000a, Hunt, MS 17000a, Pelican Mill Site, MS 17000b
RegionNA
Data scoreB
Coordinates38.02417, -107.34035
References
IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 95-98.LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.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.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.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 464, 17000A&BSTEVEN, T.A., AND OTHERS, 1977, MINERAL RESOURCES OF STUDY AREAS CONTIGUOUS TO THE UNCOMPAHGRE PRIMITIVE AREA, SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS BULL. 1391-E, P. 41-47, 80-83, 108-109.COLORADO DIV. MINES ANNUAL OPERATOR REPTS.