SYDNEY–Iron-ore giant Rio Tinto will invest $1.8 billion to develop ... all necessary approvals for the Brockman Syncline 1 mine project, about 5 miles north of its existing Brockman 4 project ...

(Reuters) - Australia's Western Mine Workers Alliance (WMWA) said on Thursday that more than 400 workers at Rio Tinto's Paraburdoo iron ore mine in Pilbara region have signed a petition to support ...