Prieska crown pillar +105 level resource increases ahead of trial mining

Diversified metals explorer and developer Orion Minerals on July 25 announced that the company has taken another key step in its early mining strategy at the Prieska copper/zinc project in South Africa’s Northern Cape.This includes the completion of an updated mineral resource estimate (MRE) for the near-surface +105 level crown pillar comprising indicated and inferred resources of 2.3-million tonnes, grading 1.7% copper and 1.6% zinc. “Our…...