The Yellow Medicine Mine is a silver and copper mine located in Hinsdale county, Colorado at an elevation of 10,899 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 10,899 Feet (3,322 Meters)
Commodity: Silver, Copper
Lat, Long: 38.02, -107.46889
Map: View on Google Maps
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Yellow Medicine Mine MRDS details
Site Name
Primary: Yellow Medicine Mine
Secondary: Patented Claims: Yellow Medicine, MS 5187
Secondary: Mountain Bell, MS 5187
Commodity
Primary: Silver
Primary: Copper
Tertiary: Lead
Tertiary: Zinc
Location
State: Colorado
County: Hinsdale
District: Galena (Henson Creek) District
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: James Chisholm (Estate)
Home Office: Hamilton, Ontario
Years: 1951 -
Owner Name: Joe Gomez
Home Office: Crested Butte, Co.
Years: 1972 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1896
Year Last Production: 1952
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: San Juan Volcanic Field, San Juan Depression
Type: L
Description: San Juan-Uncompahgre Calderas, Lake City Caldera, Eureka Graben
Alterations
Not available
Rocks
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Analytical Data
Analytical Data: STEVEN AND OTHERS' (1977) SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSIS. CHIP SAMPLE FROM VEIN AT TUNNEL FACE CONTAINED 2% AL, 0.06% CA, 5% FE, 0.2% MG, 0.05% MN, 0.1% TI, 60 PPM CR, 600 PPM CU, 20 PPM MO, 20000 PPM PB, 3000 PPM ZN, LT 70 PPM ZR, TRACE AU AND 1.6 OZ/TON AG (FIRE ASSAY), 0.13% CU AND 1.85% PB, AND 0.32% ZN (ATOMIC ABSORPTION).
Materials
Ore: Chalcopyrite
Ore: Galena
Ore: Pyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Barite
Comments
Comment (Deposit): MINE LIES NW OF LAKE CITY CALDERA RIM IN UNCOMPAHGRE CALDERA INFILL ROCKS, CONSISTING OF EUREKA RHYOLITE, BURNS QUARTZ LATITE, INTRUDED BY MONZONITE PORPHYRY PLUGS AND LATER RHYOLITE PLUGS. ONE OF EACH KIND OF PLUG IS LOCATED SOUTH OF MINE AREA. IRVING AND BANCROFT (1911) STATE THAT VEIN TRENDS N 13 W, DIPS 79 NE, AND OCCURS AT CONTACT OF QUARTZ LATITE AND MONZONITE INTRUSION. DEPOSIT LIES IN SLACK'S (1980) QUARTZ/BASE-METAL ASSEMBLAGE, INNER QUARTZ-CHALCOPYRITE ZONE.
Comment (Development): APPROX $40,000 WORTH OF METALS PRODUCED PRIOR TO 1896, MOSTLY COMING FROM AG AND SECONDARILY FROM CU. PRODUCTION UNKNOWN FROM 1892 TO 1895. CROW AND FAGAN SHIPPED 500 ST ORE FROM MIDDLE LEVEL IN 1896. CONCENTRATES SHIPPED IN 1898 BY YELLOWSTONE MINING CO. IN 1907, 15 TPD OF MILL DIRT WERE SHIPPED BY O'BRIEN, BOWLES, AND BARDWELL TO MORO MILL TO SOUTH ON HENSON CREEK. MILL WAS BUILT AND OPERATED BEGINNING IN 1897.
Comment (Workings): MINE DEVELOPED BY THREE TUNNELS, LOWER TUNNEL CAVED, INACCESSIBLE. MIDDLE TUNNEL DRIVEN GENERALLY NW FOR 200 FT; AT 190 FT FROM PORTAL IS 55-FT WINZE AND SOME STOPING. UPPER TUNNEL DRIVEN GENERALLY NW FOR 40 FT TO VEIN, WITH 500-FT EAST DRIFT; AT 150 FT EAST OF CROSSCUT IS 20-FT RAISE, STOPES STARTING AT RAISE AND PROCEEDING 50 FT EAST TO OLDER 80-FT RAISE.
Comment (Location): MINE LOCATED ON WEST SIDE OF YELLOWSTONE GULCH ABOUT 0.6 MILE ABOVE CONFLUENCE WITH NORTH FORK HENSON CREEK AND 0.85 MILE NNW OF CAPITOL CITY SITE. ; INFO FROM LAND.ST :1977
Comment (Production): PARTIAL PRODUCTION RECORD. PRODUCTION FIGURES UNAVAILABLE FOR YEARS PRIOR TO 1896 AND FOR YEARS AFTER 1898. MINERAL RESOURCES OF U.S. VOLUMES AND MINERAL YEARBOOKS CITE PRODUCTION IN 1906, 1907, 1910, 1948, 1949, 1950, 1951, AND 1952, BUT FIGURES WERE GIVEN ONLY FOR 1948 AND 1949.
References
Reference (Deposit): 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.
Reference (Deposit): IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 78-79.
Reference (Deposit): LIPMAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.
Reference (Deposit): COLORADO DIV. MINES INF. REPTS.
Reference (Deposit): BLM MINERAL SURVEY MS 5187
Reference (Deposit): 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. 83, 110-111.
Reference (Production): IRVING AND BANCROFT, 1911, P. 78; USBM MINERALS YEARBOOKS
Colorado Mining Photos
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