The Ohio Mine is a lead, gold, silver, and copper mine located in Hinsdale county, Colorado at an elevation of 10,600 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: 10,600 Feet (3,231 Meters)
Commodity: Lead, Gold, Silver, Copper
Lat, Long: 37.94, -107.45972
Map: View on Google Maps
Satelite View
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Ohio Mine MRDS details
Site Name
Primary: Ohio Mine
Commodity
Primary: Lead
Primary: Gold
Primary: Silver
Primary: Copper
Tertiary: Antimony
Tertiary: Zinc
Tertiary: Molybdenum
Location
State: Colorado
County: Hinsdale
District: Park (Whitecross, Burrows Park, Adams) District
Land Status
Land ownership: BLM Administrative Area
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
Not available
Production
Year: 1906
Time Period: -1906
Description: Cp_Grade: ^12 To 15% Cu, 10% Zn, 50 To 60 Oz/Ton Ag, $10 To $12/Ton Au (0.48 To 0.58 Oz/Ton Au At Price Of $20.65/Oz) (Stockpiled Ore)
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
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, Silverton Caldera, Eureka Graben
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Analytical Data
Analytical Data: ASSAY OF SAMPLE FROM QUARTZ VEIN (KRASOWSI, 1976): 0.222 OZ/TON AG,LT 0.001 OZ/TON AU, 0.014% CU, 0.03% PB, 0.01% ZN, 20 PPM MO, 80 PPM AS.
Materials
Ore: Chalcopyrite
Ore: Pyrite
Ore: Sphalerite
Gangue: Quartz
Comments
Comment (Location): LOCATION GIVEN AS NE OF LAKE FORK GUNNISON RIVER BETWEEN CONFLUENCES OF COOPER CREEK AND SILVER CREEK. ELEV AND LAT-LONG GIVEN ARE FOR POSSIBLE WORKINGS (IDENTIFIED FROM AIRPHOTOS) ON FAULT CROSSING LAKE FORK ABOUT 0.4 MILE ABOVE SILVER CREEK, 2.1 MILES ESE OF WHITECROSS AND 1.9 MILES NE OF WHITECROSS MTN (UNSURVEYED SECTION). ; INFO FROM LAND.ST :1977
Comment (Deposit): VEIN LIES IN FAULT TRENDING GENERALLY N 70 E AND CUTTING SUNSHINE PEAK TUFF AND MEGABRECCIA WITHIN LAKE CITY CALDERA. WOOLSEY (1907) OBSERVED ORE TO OCCUR IN SMALL, NORTH-PITCHING SHOOTS, BEING CONSIDERABLY BROKEN, CRUSHED, AND MIXED WITH GOUGE. ORE REPORTEDLY OCCUPIED INTERSTICES OF OLDER FISSURE BRECCIA AND SLIGHTLY IMPREGNATED WALLS. SILIFICATION AND PYRITIZATION EXTENDED INTO WALLROCKS FOR CONSIDERABLE DISTANCE.
Comment (Workings): 200-FT TUNNEL INTERSECTING 100-FT-LONG INCLINED SHAFT; SECOND SHAFT OF UNKNOWN EXTENT EAST OF TUNNEL.
References
Reference (Deposit): WOOLSEY, L.H., 1907, LAKE FORK EXTENSION OF THE SILVERTON MINING AREA, COLORADO: USGS BULL. 315, P. 26-30.
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): 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.
Reference (Deposit): KRASOWSKI, D.J., 1976, GEOLOGY AND ORE DEPOSITS OF BURROWS PARK, HINSDALE COUNTY, COLORADO STATE UNIV. M.SC. THESIS, 111 P.
Colorado Mining Photos
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