A rupture at a rock salt mine in north-eastern Brazil has heightened fears of an impending total collapse. Video recorded by the civil defence authority showed murky water bubbling up in the ...

SAO PAULO (AP) — Brazil's federal police on Friday indicted ... In December, a closed rock salt mine partially collapsed. The area had been previously evacuated. Gabriela Sá Pessoa, The ...

Significant Gallium Mineralization Discovered at Caladao Rare Earth Mine in Brazil" Axel Rare Earths has encountered "significant" gallium mineralization during drilling at its Caladao rare earth ...