The San Gabriel Anorthosite is a aluminum and titanium mine located in Los Angeles county, California at an elevation of 4,659 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: 4,659 Feet (1,420 Meters)
Commodity: Aluminum, Titanium
Lat, Long: 34.3867, -118.22720
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.
San Gabriel Anorthosite MRDS details
Site Name
Primary: San Gabriel Anorthosite
Commodity
Primary: Aluminum
Primary: Titanium
Tertiary: Sodium
Tertiary: Silica
Tertiary: Calcium
Tertiary: Potassium
Tertiary: Magnesite
Tertiary: Iron
Location
State: California
County: Los Angeles
District: Acton
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
Type: Federal Lease
Type: Fee Ownership
Workings
Type: Surface
Ownership
Owner Name: U.S. Forest Service
Home Office: Dist Of Columbia
Info Year: 1972
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Surface
Mining Method: Unknown
Discovery Year: 1902
Years of Production:
Organization:
Significant: Y
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Los Angeles Ranges
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Magnetite
Ore: Apatite
Ore: Microcline
Ore: Ilmenite
Ore: Andesine
Gangue: Hypersthene
Gangue: Muscovite
Gangue: Chlorite
Gangue: Quartz
Comments
Comment (Reserve-Resource): TENS OF MILLIONS OF TONS WITH TIO2 5 TO 10 PERCENT. 70 PERCENT OF ILMENITE RECOVERED IN 47 PERCENT TIO2 ILMENITE CONCENTRATE.
References
Reference (Deposit): BENSON 1962 BU. MI. R. I. 596
Reference (Deposit): OAKESHOTT, G.B. GEOLOGY AND MINERAL DEPOSITS OF THE SAN GABRIEL QUADRANGLE, LOS ANGELES COUNTY, CALIFORNIA. CALIF. DIV. MINES BULLETIN 172, 1958, 147 P.
Reference (Deposit): LUNDQUIST, R.V. RECOVERY OF ALUMINA FROM ANORTHOSITE, SAN GABRIEL MOUNTAINS, CALIFORNIA, USING THE LIME SODA SINTER PROCESS. U.S. BUREAU OF MINES REPT. OF INVESTIG. 6288, 1963, 12 P.
Reference (Deposit): LEITCH, H., H.G. IVERSON, AND J.B. CLEMMER. EXTRACTION OF ALUMINA BY LEACHING MELTED AND QUENCHED ANORTHOSITE IN SULFURIC ACID. U.S. BUREAU OF MINES REPT. OF INVESTIG. 6744, 1966, 32 P.
Reference (Deposit): CUMMINGS, D. AND R.D. REAGAN. AEROMAGNETIC SURVEY OF THE SAN GABRIEL ANORTHOSITE COMPLEX, SAN GABRIEL MOUNTAINS, SOUTHERN CALIFORNIA. GEOL. SOC. OF AMERICA BULLETIN, V. 87, 1976, P. 675-680.
Reference (Deposit): OAKESHOTT, G.B. TITANIFEROUS IRON-ORE DEPOSITS OF THE SAN GABRIEL MOUNTAINS, LOS ANGELES COUNTY, CALIFORNIA. CALIF. DIV. MINES BULLETIN 129, PART P, 1948, P. 245-266.
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.
