California · San Bernardino County
Past Producer

Big Reef Mine

San Bernardino County, California, United States
AluminumBarium-BariteCalciumCopperIronManganesePhosphorus-PhosphatesSilica
⌖ Show on mapUSGS source ↗
Commodities
TertiaryAluminum, Barium-Barite, Calcium, Copper, Iron, Manganese, Phosphorus-Phosphates, Silica
Commodity typeB
Deposit
WorkingsSurface
Materials
Other materialsCalcite, Psilomelane, Pyrolusite, Quartz
Economic & production
Development statusPast Producer
First production1944
Discovery year1938
Identification
Deposit ID10116066
MRDS IDM020111
Alternate namesBlack Butte Mine, Black Jack Claims, Bobbie, Endline, Hangover, Sullivan
RegionNA
Data scoreB
Coordinates34.80421, -116.34195
References
CALIF. JOUR. MINES AND GEOL., V. 39, 1943, P. 492-493.CALIF. JOUR. MINES AND GEOL., V. 49, 1953, P. 114-115.U.S. GEOL.. SURVEY MISC. GEOL. INVESTIGATIONS MAP I-476,1966, P. 3 (TEXT).JENKINS, O.P., AND OTHERS. MANGANESE IN CALIFORNIA, CALIF.DIV. MINES AND GEOL. BULL. 125, 1943.TRASK, P.O. GEOLOGIC DESCRIPTION OF MANGANESE DEPOSITS INCALIFORNIA. CALIF. DIV. MINES AND GEOL. BULL. 152, 1950.TRENGOVE, RUSSELL R. RECONNAISSANCE OF CALIFORNA MANGANESEDEPOSITS. BUMINES RI 5579, 1960.SOUTHERN PACIFIC CO., 1964, MINERALS FOR INDUSTRY,SOUTHERN CALIFORNIA: P. 138.