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The Rio Tinto Boron Mine (formerly the U.S. Borax Boron Mine) in Boron, California is California's largest open-pit mine and the largest borax mine in the world, producing nearly half the world's borates. Ore reserves are sufficient for production through at least 2050. It is operated by the Borax division of the
Borax Visitor Center
at Trip Advisor.
Boron Mine, Kramer Borate Mining District (U.S. Borax open pit)
— ''history, geology, and minerals list/links''.
Borax Visitor CenterPlacesearth.com: gallery of Borax Visitor Center photos
{{Commonscat, position=left, Minerals of Boron Borax mines Companies based in Kern County, California Geography of Kern County, California Mines in California Mining museums in California Mojave Desert Museums in Kern County, California Open-pit mines Borax Mine Surface mines in the United States Tourist attractions in Kern County, California
The Rio Tinto Boron Mine (formerly the U.S. Borax Boron Mine) in Boron, California is California's largest open-pit mine and the largest borax mine in the world, producing nearly half the world's borates. Ore reserves are sufficient for production through at least 2050. It is operated by the Borax division of the Rio Tinto Group
Rio Tinto Group is an Anglo-Australian Multinational corporation, multinational company that is the world's second-largest metals and mining corporation (behind BHP). The company was founded in 1873 when of a group of investors purchased a mine ...
.Rio TintoHistory
The borax deposit here was discovered in 1913, by John K. Suckow, who when drilling for water found a deposit of what he believed to be gypsum. Further testing revealed it was the colemanite form of borax. Francis Marion "Borax" Smith bought the claim for his Pacific Coast Borax Company. Mining at the site by shafts began in the 1920s.Pacific Coast Borax
The Pacific Coast Borax Company (PCB) was a United States mining company founded in 1890 by the American borax magnate Francis Smith, the "Borax King".
History
The roots of the Pacific Coast Borax Company lie in Mineral County, Nevada, east of ...
later became U.S. Borax, which subsequently opened the current open-pit mine in 1957. U.S. Borax was later acquired by Rio Tinto Group
Rio Tinto Group is an Anglo-Australian Multinational corporation, multinational company that is the world's second-largest metals and mining corporation (behind BHP). The company was founded in 1873 when of a group of investors purchased a mine ...
, which continues to operate the mine.
A pilot project to produce lithium by sifting through mining waste began in 2019.
Borax Visitor Center
The mine's Borax Visitor Center, which includes a museum, historic mining artifacts, and a mine overlook, is open to the public.at Trip Advisor.
References
External links
*Mindat.org
Mindat.org is a non-commercial online database, claiming to be the largest mineral database and mineralogy, mineralogical reference website on the Internet. It is used by professional mineralogists, geologists, and amateur mineral collecting, mi ...
âBoron Mine, Kramer Borate Mining District (U.S. Borax open pit)
— ''history, geology, and minerals list/links''.
Borax Visitor Center
{{Commonscat, position=left, Minerals of Boron Borax mines Companies based in Kern County, California Geography of Kern County, California Mines in California Mining museums in California Mojave Desert Museums in Kern County, California Open-pit mines Borax Mine Surface mines in the United States Tourist attractions in Kern County, California