Ann: Development Progress - Lindi Jumbo Mine, page-130

the plant can produce 40Kt once commissioned and fined tuned. It can further add another 10kt at no extra costs on plant and minimal amount spent to further increase out pit to 50Kt. These will also be enhanced quality control through the extra CAPEX spent on the screens from Australia. This will likely help with gaining a premium on the flake prices.
High grades will need to be blended going in the front end anyway. Dilution from blasting won’t effect what goes in the front end it will probably save time blending before going into the grizzly.