The Branch Mine is a gold mine located in San Bernardino county, California at an elevation of 3,901 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: 3,901 Feet (1,189 Meters)
Commodity: Gold
Lat, Long: 34.65111, -117.27083
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.
Branch Mine MRDS details
Site Name
Primary: Branch Mine
Commodity
Primary: Gold
Secondary: Silver
Tertiary: Lead
Tertiary: Copper
Location
State: California
County: San Bernardino
District: Oro Grande
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
Not available
Production
Year: 1889
Material type: AU AG
Description: Ap_Grade: ^Assayed At 2.89 Oz. Au And 21.5 Oz. Ag/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
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
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Metavolcanic Rock
Role: Host
Age Type: Host Rock
Age Young: Late Triassic
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Gold
Comments
Comment (Location): UTM ACC S 1/2 NW 1/4 AND N 1/2 SW 1/4
Comment (Deposit): VEIN 1 FT IN THICKNESS
Comment (Production): ACTIVE 1880'S, 1896, 1909. NO OTHER PRODUCTION RECORDS FOUND. TOTAL PRODUCTION MAY HAVE BEEN BETWEEN $19000 AND $20,000
Comment (Workings): 300 FT. ADIT W/2 130 FT. RAISES TO SURFACE AND SEVERAL WINZES BELOW 200 FT.
Comment (Geology): LOCALLY, THE WALL ROCKS CONTAIN PYRITE AND THE MINOR ORE MINERALS
References
Reference (Deposit): SOUTHERN PACIFIC COMPANY, 1964, MINERALS FOR INDUSTRY, SOUTHERN CALIFORNIA, V. 3, P. 49
Reference (Deposit): WRIGHT, L.A. AND OTHERS, 1953, MINES AND MINERAL DEPOSITS OF SAN BERNARDINO COUNTY, CALIFORNIA TABULATED LIST: CALIF. JOUR. MINES AND GEOLOGY, V. 49, NOS. 1 & 2, P. 27, PL. 7.
Reference (Deposit): BOWEN, O.E., 1954, GEOLOGY & MINERAL DEPOSITS OF THE BARSTOW QUADRANGLE, SAN BERNARDINO COUNTY, CALIF.: CALIF. DIV. MINES & GEOLOGY, BULL. 165, P. 130
Reference (Production): SOUTHERN PACIFIC CO. (1964) BOWEN (1954)
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.
