Sam Walsh's bonuses, potentially worth millions, had been delayed for at least two years as investigations continue into dubious payments related to Simandou iron ore project in Africa.
Industry observers believe Yancoal will face several challenges when trying to complete a $2bn equity issue to finance the acquisition of Rio’s coal mines in the Hunter Valley.
Scientists have discovered why some of the richest ore deposits on the planet, such as copper, zinc, silver and uranium, were formed in the middle period of Earth’s history.