Colorado · Hinsdale County
Past Producer

Sherman District

Hinsdale County, Colorado, United States
SilverGoldLeadCopperZincBismuthMolybdenum
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold
SecondaryLead, Copper
TertiaryZinc, Bismuth, Molybdenum
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlQuartz Veins Locally Along Diabase Dike Margins: Ring Fractures Associated With Lake City Caldera Collapse; Resurgent Graben Faulting Following San Juan Caldera Collapse
Materials
Ore mineralsChalcopyrite, Galena, Molybdenite, Pyrite, Sphalerite, Tetrahedrite
GangueBarite, Calcite, Quartz
Geology
Host rockQuartz Monzonite,Diabase,Rhyolite,Andesite,Granite · Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics
Associated rockQuartz Monzonite,Diabase,Rhyolite,Andesite,Granite · Granite Of Cataract Canyon;Mafic Dikes;Henson And Pyroxene Andesite Members Of Silverton Volcanics;Ash-Flow Member Of Sunshine Peak Tuff
StructureSan Juan Volcanic Field, San Juan Depression, San Juan-Uncompahgre Calderas, Lake City Caldera, Silverton Caldera, Eureka Graben
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
First production1882
Last production1925
Discovery year1877
Identification
Deposit ID10101902
MRDS IDD011573
Alternate namesBlack Wonder, MS 1939, Mountain View, MS 2621, No. 2 Ruby, MS 2637, Black Wonder Extension, MS 4663, Sterling, MS 6267, Nellie G., MS 6267, Eastern Rebel Boy, MS 600, Minnie Lee, MS 1473a, Minnie Lee Mill Site, MS 1473b, Patented Claims: George Washington, MS 312, Colorado Placer, MS 375, Rebel Boy, MS 599, Gracie, MS 15503, Niagara, MS 15503, Conalan, MS 6267, Dolphim, MS 6267, Come Up, MS 8402, Mineral Flower, MS 8402, Black Wonder No. 2, MS 8493, Crescent, MS 12429, Meteor, MS 12429, Tillman, MS 12429, Wanimoo, MS 12429, Morning Star, MS 12879, I. X. L., MS 1289
RegionNA
Data scoreB
Coordinates37.90251, -107.42285
References
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., 1976, CALDERA-COLLAPSE BRECCIAS IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: GEOL. SOC. AMERICA BULL., V. 87, NO. 10, P. 1397-1410.LIPMAN, P.W., AND OTHERS, 1973, REVISED VOLCANIC HISTORY OF THE SAN JUAN, UNCOMPAHGRE, SILVERTON, AND LAKE CITY CALDERAS IN THE WESTERN SAN JUAN MOUNTAINS: USGS JOUR. RESEARCH, V. 1, NO. 6, P. 627-642.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.HON,KEN, AND MEHNERT, N.H., 1983, COMPILATION OF REVISED AGES OF VOLCANIC UBITS IN THE SAN JUAN MOUNTAINS, COLORADO--RECALCULATED K/AR AGE DETERMINATIONS USING IUGS CONSTANTS: USGS OPEN-FILE REPT. OFR-83-688.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.STEVEN, T.A., AND LIPMAN, P.W., 1976, CALDERAS OF THE SAN JUAN VOLCANIC FIELD, SOUTHWESTERN COLORADO: USGS PROF. PAPER 958, P. 10-16.COLORADO DIV. MINES INF. REPTS.A BLM MINERAL SURVEYS MS 312, 375, 599, 600, 1289, 1473A&B, 1939, 2621, 2637, 46638, 6267, 8402, 8493, 12429, 12879, 15503WORCESTER, P.G., 1919, MOLUBDENUM DEPOSITS OF COLORADO WITH GENERAL NOTES ON THE MOLYBDENUM INDUSTRY: CGS BULL. 14, P. 68.