09:57 AM EST - Arizona Sonoran Copper Company Inc. : Reports positive preliminary column leach metallurgical extraction rates using the NutonTM technologies as part of the Phase 1 testing program with Nuton LLC, a Rio Tinto venture. Primary sulphide extraction ranges from 61% to 82% based on 5 columns, including 2 early cycle columns returning 83% and 61%, 2 mid-cycle columns above 70% and 1 with lower extraction based on biotite content. Arizona Sonoran Copper Company Inc.
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