The asset could fetch up to A$300 million ($207 million).

CEO Joe Kaeser said Adani's Carmichael mine would go ahead with or without Siemens, adding he had to balance stakeholder interests.

Market for battery metal in grip of brutal bear market and experts say prices may not have bottomed yet.

Consolidated gold production totalled 974,615 ounces, up 35% from 2018.

Climate activists and mine opponents are asking the company not to provide a key piece of rail infrastructure to transport coal from the mine.

Two drill samples from West Kalkaroo contain elevated levels of neodymium and praseodymium.