metallurgy and front end capex rules ARR out I suspect....

metallurgy and front end capex rules ARR out I suspect. they've talked a lot about how they're able to get to a 1.5%-3% pre-leach concentration. not at all about how they're recovering the product out of the leached solution to get to an actual concentrate as far as I can see. Happy to be corrected but they've had years to do this they should have some results to tout at lab scale in their preso. That absence tells me what I need to know.

Also just in October last year they said flotation doesn't help improve the pre leach concentrate, but in their preso they say it does. which is it?