The Buchanan is a lead, silver, and copper mine located in Madera county, California at an elevation of 10,000 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: 10,000 Feet (3,048 Meters)
Commodity: Lead, Silver, Copper
Lat, Long: 37.18694, -119.98639
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.
Buchanan MRDS details
Site Name
Primary: Buchanan
Secondary: Johnson Group
Secondary: Johnston
Commodity
Primary: Lead
Primary: Silver
Primary: Copper
Secondary: Zinc
Tertiary: Gold
Tertiary: Cobalt
Location
State: California
County: Madera
District: Daulton
Land Status
Land ownership: National Forest
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
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
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: ORE REPORTED TO ASSAY 15 % CU, $4 AU, 12 OZ AG IN 1908
Materials
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Galena
Comments
Comment (Deposit): ORES PRINCIPALLY OXIDES - AT DEPTH ARE UNALTERED SULFIDES. SEVERAL SMALL ORE SEAMS FOUND EAST AND PARALLEL TO MAIN VEIN.
Comment (Workings): 5 TUNNELS, RESPECTIVELY 500 , 120 , 100 , 60 AND 30 FT. IN LENGTH. TWO SHAFTS EACH 200 FT. DEEP.
Comment (Geology): GEOL.DESC: VEIN MATTER IS DIABASE AND AMPHIBOLITE SCHIST BOTH MINERALIZED, EAST WALL OF DIABASE DIKE IS GRANODIORITE.
Comment (Reserve-Resource): RESERVES UNKNOWN
Comment (Production): 1. CREDITED WITH HAVING SHIPPED 150 TONS OF COPPER BARS UP TO 1866 . 2. SHIPPED 60 % COPPER MATTE TO SAN FRANCISCO IN 1865 . 3 . PRODUCED 1910 - 1920
References
Reference (Deposit): AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 270 - 272 .
Reference (Deposit): ERIC, J. H., 1948 COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 261
Reference (Deposit): LOGAN, C. A., 1950 , MINES AND MINERAL RESOURCES OF MADERA COUNTY, CA.; CA. JOUR. MINES AND GEOLOGY, VOL. 46 , NO. 4 , P. 450 .
Reference (Deposit): MCLAUGHLIN, R. P., 1916 , MADERA COUNTY; 14TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 538 .
Reference (Production): 1. MCLAUGHLIN, 2. LOGAN, 3. ERIC
Reference (Reserve-Resource): UNPUBLISHED CO REPORT
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.
