Investor Presentaiton

5th International Workshop - Advances in Cleaner Production Academic Work The concentrations of As, Pb and B are reduced to a greater extent, consistent with the reduction in pyrite associated with beneficiation, 55%, 26% and 50%, respectively; Some elements, such as Ge, U, and possibly Zr, have higher average concentrations (i.e. >120% of the average ROM values);

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