The Burcham is a lead, silver, and gold mine located in San Bernardino county, California at an elevation of 2,500 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: 2,500 Feet (762 Meters)
Commodity: Lead, Silver, Gold
Lat, Long: 34.95, -116.87583
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.
Burcham MRDS details
Site Name
Primary: Burcham
Secondary: Total Wreck
Commodity
Primary: Lead
Primary: Silver
Primary: Gold
Secondary: Zinc
Secondary: Copper
Location
State: California
County: San Bernardino
District: Calico
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
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Sonoran Desert
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: L
Description: Faults
Alterations
Not available
Rocks
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Galena
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Cerargyrite
Gangue: Quartz
Gangue: Barite
Gangue: Iron
Comments
Comment (Production): AVG. SMELTER RECOVERY; 11 % PB, 2.05 OZ AG, .404 OZ AU/TON, RECOVERABLE ZINC AND COPPER.
Comment (Deposit): IRREGULAR MASSES IN FAULTED TERTIARY TUFFS, FLOWS, AND BRECCIA. 2 VEINS, BURCHAM VEIN; STRIKES N 70 W, DIPS 35 - 65 S, THICKNESS 3 - 7 FT.. MULCAHY VEIN; 300 - 500 FT. NORTH OF BURCHAM VEIN, IT STRIKES N 45 W, DIPS 65 S, 4 - 30 FT. THICK.
Comment (Workings): CROSSCUT TUNNEL N 15 E FOR 512 FT. 104 FT. FROM PORTAL INTERSECTED BURCHAM VEIN DRIFTS 200 FT SE AND 640 FT. NW, 150 FT. SHAFT AT INTERSECTION OF VEIN, TWO RAISES TO SURFACE. MULCAHY VEIN INTERSECTED BY CROSSCUT TUNNEL, DRIFTS 500 FT. NW AND 240 FT. SE
Comment (Geology): GEOL.DESC: ROCKS COMPRISE A CLOSELY RELATED SERIES OF TERITARY FLOWS AND ASSOCIATED TUFFS, CONGLOMERATES, OR BRECCIA. CUT BY NUMEROUS DIKES AND IRREGULAR INTRUSIONS OF RHYOLITE AND OTHER ROCKS. OLDEST, MOST IMPORTANT ORE-BEARING FORMATION IS AN INTERBEDDED SERIES OF RHYOLITE FLOWS, INCLUDING BRECCIAS, MASSIVE TUFFS, PORPHYRITIC FLOWS, BANDED FLOWS AND WATER-LAID DEPOSITS OF SEVERAL KINDS OF VOLCANIC DEBRIS, INCLUDING WELL-LAMINATED SILTS.
References
Reference (Deposit): TUCKER, W. B. AND SAMPSON, R. J., 1943 , MINERAL RESOURCES, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 39 , NO. 4 ; DIV. OF MINES, P. 475 - 476 .
Reference (Production): GOODWIN, J. G., 1957 , P. 619 (SEE REF.)
Reference (Deposit): GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 619
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.
