Believes the agreements may pose a social licence and legal agreements risk.
The company had already undertaken many successful projects for Rio Tinto in the Pilbara.
WA hard border loosens a bit.
Second Rio Tinto contract in about a month.
The miner is trying to make amends for blowing up the Juukan Gorge in May.
Rio Tinto renames the Koodaideri mine and opens new airport.
Turquoise Hill rebels against Rio's equity raising pressure.
Rio Tinto will dismantle the mine infrastructure and hand land back to traditional owners.
Sites need to have additional archaeological significance to be protected under proposed law.
Juukan Gorge destruction inquiry to fly from Canberra to the Pilbara to see damage done first hand.
The specials tender includes 28,399 carats of rough Argyle diamonds.
CZR set to finish Robe Mesa PFS in December, the company says.