Specifically, high-pressure grinding roll crusher testing showed "increased concentration of gold in the fine fraction," the release noted. Ore sorting revealed that sorting of higher-grade ore results in proportionally less gold being lost in the rejected material.
"These tests confirm the value-adding benefit of ore sorting for the Mt. Todd gold project in Australia and demonstrate lower gold losses with higher-grade crusher feed," President and CEO Frederick Earnest said in the release. "We expect that these results will support additional improvements in the economics of the Mt. Todd gold project."
Those economics are expected in an updated preliminary feasibility study in Q2/19, following completion of additional fine grinding and leaching tests in Q1/19.[NLINSERT]
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