BHP must start Olympic Dam work by year-end, minister says

"While a large number of countries around the world continue to talk about securing raw material supply, China is actually doing something about it."

El Salvador became the first country in the world to ban all forms of metals mining in 2017.

Shares of Arcadium Lithium rose about 7% in extended trading after the company said that about 98% of its shareholders had voted in favor of the sale.

One charge was deemed "very serious," the highest of three offense levels, for non-compliance dating back to a 2014 sanction.