Wood Mackenzie says miners need to spend that amount in the next next 15 years to help supply enough metals needed for the shift to a low carbon world.
Operations at the mine, which produces coking coal used in steelmaking, were suspended in February after a coal heating issue that led to elevated gas readings underground.
US-based rare earths miner MP Materials Corp posted a higher-than-expected quarterly profit on Thursday due to rising production and prices for the metals used to make electronics.