The heart of Rio Tinto Borates' business is the open-pit mine in Boron, California, one of two world-class borate deposits on the planet. Discover more about Rio Tinto's mining operations today.

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 current economic production through early 2040's.

We mine borates, a naturally occurring mineral, from our mine in Boron, California, which we then refine and transform into products essential to modern living. The heart of Rio Tinto Borates' business is the open-pit mine in Boron, California, one …

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally.

Jun 2, 2023 · Rio Tinto (ASX, LON: RIO) said on Friday it had completed the full transition of its heavy machinery at its at its Boron operation in the US from fossil diesel to renewable diesel, making...

Jun 7, 2024 · U.S. Borax, part of the global mining company Rio Tinto, operates California’s largest open pit mine and the largest borax mine in the world, producing nearly half the world’s borates. It is located near Boron, California, just off California State Route 58 and North of Edwards Air Force Base.

Apr 8, 2021 · Rio Tinto has started production of battery-grade lithium from waste rock at the Boron mine site in California, US. The lithium is being produced from a lithium demonstration …

Rio Tinto RIO announced that its Boron, CA operation will now operate with a fleet running on renewable diesel. This makes it the first open pit mine in the world to manage this feat and is a...

Jul 10, 2022 · Recovering scandium from its iron-titanium mine in Quebec, tellurium from the Kennecott copper mine in Utah, and now lithium from its Boron mine in California, Rio Tinto is leveraging its operations to produce the critical metals needed for 3D printing, solar energy, and lithium batteries.

Jan 1, 2013 · Rio Tinto has commenced production of battery-grade lithium from waste rock at a lithium demonstration plant at the Boron mine site in California, United States.