OSIRIS-REx will collect samples from an asteroid and return them to Earth, in what it could be a pivotal step for firms currently planning to tap into the space mining business.
Erdenes Tavan Tolgoi (ETT), the state-owned company that holds the license to the deposit, has already begun evaluating bids and calculating the potential economic benefits of restarting it.
The possible plant closure, which could cost around 2,000 jobs, is part of a global restructuring plan announced in September that could see CAT cutting as many as 10,000 jobs globally in the coming years.