RIO DE JANEIRO >> A closed rock salt mine belonging to Brazilian petrochemical giant Braskem partially collapsed Sunday in the northeastern coastal city of Maceio, the city’s civil defense authority ...

The directors of Australia-based Macquarie Harbour Mining Ltd., (MHM) have announced that the company has made significant progress in its plans to open an aluminum salt slag operation in the United ...

RIO DE JANEIRO — A mine belonging to Brazilian petrochemical giant Braskem ruptured Sunday in the northeastern coastal city of Maceio, the city’s civil defense authority said. Video the authority ...

RIO DE JANEIRO (AP) — A closed rock salt mine belonging to Brazilian petrochemical giant Braskem partially collapsed Sunday in the northeastern coastal city of Maceio, the city's civil defense ...