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 exchange will work Fastmarkets to provide the reference price lithium, a key component in the batteries that power electric vehicles and high-tech devices.
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.
According to a paper in Resources Policy, such compensation packages actively encourage managers to cut costs and increase production regardless of the risks associated with those decisions.
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.