Dossier
Rio Tinto Borax mine
Coverage of Rio Tinto Borax mine in the Nexus archive.
- Rio Is Said to Draw Interest for Critical Mineral Assets in California
The Rio Tinto Borax mine in California, the largest open-pit mine in the state and second-largest boron mine globally, faces labor disruptions following a lockout that replaced 540 employees. The mine's critical mineral assets have drawn attention, highlighting its strategic importance in the region.