The Jackass is a lead mine located in Inyo county, California at an elevation of 5,000 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: 5,000 Feet (1,524 Meters)
Commodity: Lead
Lat, Long: 36.28278, -117.57222
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Jackass MRDS details
Site Name
Primary: Jackass
Commodity
Primary: Lead
Secondary: Silver
Secondary: Zinc
Secondary: Copper
Location
State: California
County: Inyo
District: Darwin
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrite
Ore: Galena
Gangue: Limonite
Gangue: Calcite
Comments
Comment (Production): NO PRODUCTION RECORDS, 1950 : 20 TONS OF ORE WAS MINED ASSAYING 21 % PB, 17 OZ AG/TON.
Comment (Geology): GEOL.DESC: ROCKS IN MINE AREA ARE BROWN-STAINED DENSE CALC-HORNSFELS AND BLUISH-GRAY LIMESTONE IN PART ALTERED TO TACTITE. BEDS STRIKE N 20 W, DIP 78 W.
Comment (Deposit): MAIN SHAFT ON BEDDING PLANE VEIN THICKNESS 1 - 4 FT. OVER LENGTH OF 80 FT. ON 66 FT. LEVEL, DRIFT DRIVEN ON VEIN 1 - 2 FT. THICK, NORTH OF SHAFT A CHIMNEY OF ORE HAS BEEN STOPED. 35 FT. SHAFT ON VEIN, STRIKES N 63 E, DIPS 77 SE, VEIN IS 3 FT. THICK ON SURFACE, THINS AT BOTTOM TO 1 FT.
Comment (Workings): INCLINED SHAFT 140 FT. DEEP, 150 FT. OF DRIFTS. INCLINED SHAFT 35 FT. DEEP WITH SHORT DRIFT AT BOTTOM IS 600 FT. N 15 W OF MAIN SHAFT.
References
Reference (Deposit): HALL, W. E. AND MACKEVETT, E. M., 1958 , ECONOMIC GEOLOGY OF THE DARWIN QUADRANGLE INYO COUNTY, CALIFORNIA; DIV. OF MINES, SPECIAL REPORT 51 , P. 31
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
