Tianqi last December bought a 23.8 percent share in SQM from Canadian fertilizer company Nutrien for $4.1B, the largest deal in history for a lithium asset.
The International Council on Mining and Metals (ICMM) has picked someone outside the industry to oversee an initiative aimed at setting new dam safety standards for miners.
Gold futures in India, the world's second-biggest bullion consumer after China, hit their highest level since March 1, at 32,834 rupees per 10 grams, earlier this week.
In April, ethical investors working on a global standard for tailings dams had written to 683 listed resource companies, including major miners, asking for information to be made public within 45 days about every facility they control.