Description
Harry Henson, Jorl K. Mullin, Albert Mead, Charles Godwin
Commodities
PrimaryGold, Lead, Zinc, Silver
SecondaryCopper
TertiaryAntimony, Manganese, Arsenic
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Orebody formIRREGULAR, PINCH AND SWELL
Ore controlNe-Trending Fault/Fracture Transverse To Trend Of North Ring Fault Of Lake City Caldera But Subparallel To Trend Of Pre-Lake City Caldera Eureka Graben
Materials
Ore mineralsChalcopyrite, Silver, Sphalerite
GangueAnkerite, Barite, Calcite, Chalcedony, Dickite, Fluorite, Gypsum, Kaolinite, Magnetite, Quartz, Rhodochrosite, Sericite
Geology
Host rockVolcanic Breccia (Agglomerate),Rhyolite · Picayune Megbreccia Member Of Sapinero Mesa Tuff
Associated rockRhyolite,Andesite · Eureka Menber Of Sapinero Mesa Tuff;Intrusive Rocks--Porphyro-Aphanitic Rocks
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera
Tectonic settingCentral Cordillera (Soythern Rocky Mtns)
AlterationWallrock Silicification; Sericitization; Pyritization
Economic & production
Development statusPast Producer
First production1874
Last production1967
Discovery year1871
Identification
Deposit ID10087980
MRDS IDD011623
Alternate namesUte-Ule Mine, Patented Claims: Ule, MS 147a, Ule Mill Site, MS 147b, Ute, MS 148, Ule Extension, MS 1220, John J. Crooke Placer, MS 1280, Equator, MS 1366a, Equator Mill Site, MS 1366b, Cuter, MS 12265, Free Lance, MS 12265, Mab, MS 12265, Auric, MS 12265, Maid of Henson, MS 12265, Regulator, MS 12265, Yankee Doodle, MS 12265, Leadville, MS 12265, Mayor of Leadville, MS 12265
RegionNA
Data scoreB
Coordinates38.01972, -107.37591
References
IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 87-95.SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.BROWN, W.H., 1926, THE MINERAL ZONES OF THE WHITE CROSS DISTRICT AND NEIGHBORING DEPOSITS IN HINSDALE COUNTY, COLORADO: MINES MAG., V. 15, NO. 11, P. 5-15.IRVING, J.D., 1905, ORE DEPOSITS IN THE VICINITY OF LAKE CITY, COLORADO: USGS BULL. 260, P. 78-84.LIPMAN, P.W., AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MONERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.STEVEN, 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. 82, 108-109.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 147A&B, 148, 1220, 1280, 1366A&B, 12265COLORADO DIV. MINES ANNUAL OPERATOR REPTS.