Rio tight-lipped on Argyle future

Written on the 13 March 2018

Rio Tinto is reticent about when it will close the Argyle diamond mine after announcing its remaining reserves will underpin production a year less than previously reported.

The update of resources at the East Kimberley mine was released alongside the mining giant's 2017 annual report released last week.

Argyle's reserves ore it can economically access under current plans decreased by an estimated 13 million tonnes from 29Mt to 16Mt during the past year. Close to 5Mt was depleted through mining production activities while the rest was reduced due to a "more conservative view on future production performance, grade and economic shut-off criteria".


Source:  The West Australian

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