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Boron added to 2025 List of Critical Minerals in U.S.

:: Friday, November 14, 2025 :: Posted By Frank Wawrzos
Boron added to 2025 List of Critical Minerals in U.S.

The U.S. Geological Survey (USGS) officially named boron to its 2025 List of Critical Minerals. Explore what boron’s critical designation means and why it matters.

Wilmington at 100: Historic Perspective and Future Vision

:: Wednesday, August 14, 2024
Wilmington at 100: Historic Perspective and Future Vision
The 100th anniversary of the opening of this U.S. Borax manufacturing and shipping hub—a key link in both production and our supply chain—is a chance to remember the value of always looking ahead.

U.S. Borax becomes first open pit mine to transition to renewable diesel

:: Friday, June 2, 2023
U.S. Borax becomes first open pit mine to transition to renewable diesel
Rio Tinto has successfully completed the full transition of its heavy machinery from fossil diesel to renewable diesel at its Boron, California operation, making it the first open pit mine in the world to achieve this milestone.
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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. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles.  Learn more about Rio Tinto.

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