News

Blueprints of Time: Unraveling the Rich History of Our Frankfurt Office

:: Friday, December 1, 2023 :: Posted By Javier Jusué de Olives
Blueprints of Time: Unraveling the Rich History of Our Frankfurt Office
When the Rio Tinto Frankfurt office opened in the mid-1960s, it was the company’s gateway to the European market—and one of the company’s first sales offices. Rio Tinto acquired U.S. Borax shortly thereafter in 1967. And our operations throughout Spain, France, and the Netherlands began to work closely with sales teams in Germany.

New Lab Reinforces Commitment to Customer Assurance

:: Wednesday, November 1, 2023 :: Posted By Bassine Simon
New Lab Reinforces Commitment to Customer Assurance
We're excited to announce a new lab building is officially online at Borax Français in Coudekerque. The lab enables better customer support and advances refined borate product research and development.

Building Nests and Taking Flight: Kestrels at Borax Rotterdam

:: Wednesday, September 6, 2023 :: Posted By Javier Jusué de Olives
Building Nests and Taking Flight: Kestrels at Borax Rotterdam
For 20 years, a small flock of kestrels has called our Rotterdam site home. Learn what U.S. Borax Logistics Coordinator, Mart Van Hamburg, and our team is doing to spread awareness and protect this endangered bird.

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

:: Friday, June 2, 2023 :: Posted By Jen Brown
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.

Rio Tinto Trials Renewable Diesel at U.S. Operations

:: Friday, January 13, 2023 :: Posted By Jen Brown
Rio Tinto Trials Renewable Diesel at U.S. Operations
Rio Tinto has successfully completed a renewable diesel trial at its U.S. Borax mine in Boron, California, and is now conducting a second trial at the Kennecott copper operations in Salt Lake City, Utah, to determine the suitability of renewable diesel for open pit haulage.

Mining Safety: A U.S. Borax Legacy

:: Monday, December 19, 2022
Mining Safety: A U.S. Borax Legacy
Boron mining safety looks completely different today than it did when we started operating 150 years ago. This year, as we celebrate an important milestone, we look back at how U.S. Borax has played a leading role in improving safety.

Pozzolans from Mine Waste to Decarbonize Concrete

:: Tuesday, November 8, 2022 :: Posted By Jen Brown
Pozzolans from Mine Waste to Decarbonize Concrete
CR Minerals Company, LLC has reached an agreement with Rio Tinto on the production of pozzolans from waste materials at the U.S. Borax facility in Boron, CA.

U.S. Borax Recognized as Supplier of the Year by Owens Corning

:: Tuesday, October 11, 2022 :: Posted By Evan Stevens
U.S. Borax Recognized as Supplier of the Year by Owens Corning
U.S. Borax’s sales and logistics team attended Owens Corning’s annual supplier recognition event where we accepted two awards: Supplier of the Year for 2022 and as a finalist for Value Creation.

A Tradition of Transportation Innovation

:: Wednesday, September 14, 2022 :: Posted By Jen Brown
A Tradition of Transportation Innovation
From the iconic 20 mule teams to railroads to the first renewable diesel-powered trucks, U.S. Borax helped redefine transportation and logistics in boron mining.

An Engineering Feat Like No Other

:: Tuesday, August 2, 2022 :: Posted By Jen Brown
An Engineering Feat Like No Other
One of the greatest engineering feats in U.S. Borax history was converting the underground Boron mine to a more modern, open-pit operation.
Displaying results 11-20 (of 39)
 |<  <  1 - 2 - 3 - 4  >  >| 

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.

Copyright © 2025 Rio Tinto. All Rights Reserved.
Terms and conditions Privacy and cookies Modern slavery statement
AB 1305 Cookie preferences