Nornickel's first-half sales of nickel fell by 6%, palladium by 4% and platinum by 18%.

Lundin said Monday it had halted development work near the site, but that the sinkhole didn’t affect the community, workers or its annual output guidance.

Analysts are forecasting record profits and returns when Glencore reports on Thursday.

Australia accounts for about half of the world's iron ore exports, and women have long complained of sexual harassment in mining camps and offices.

The company also warned of a hit from inflation and supply-chain bottlenecks in the coming months.

Vale cited slower regulatory approvals in reducing its 2022 iron ore production outlook.

The world’s biggest copper supplier saw production fall 9.3% last quarter from a year prior.