Rio Tinto not expected to relinquish interest in Freeport Indonesia copper mine until 2022 -govt official
December 15, 2017 at 01:33 AM EST
JAKARTA, Dec 15 (Reuters) - Rio Tinto is not expected until 2022 to relinquish its interest in the giant Grasberg copper mine in Indonesia operated by the local unit of Freeport McMoRan Inc, a government official said on Friday.