Mining Operations

Circular Shapes: Geometry in Borax, Boron Mine, California, Map and News

Rio Tinto Borax, Boron, California
Rio Tinto Borax operates California's largest open pit mine in Boron, California - one of the richest borate deposits on the planet. The company supplies nearly half the world's demand for refined borates, minerals essential to life and modern living.

Borax traces its roots to California's Death Valley, where borate deposits were discovered in 1872. Source:


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