FTA...., page-17

Not sorter, but crusher I believe. So they can grab a few ton of the stockpile, crush it and send a sample to gold refinery for testing.

The sorter box is a new innovation. And it could revolutionise small gold deposits, particularly in high cost mining countries like Australia. Without economies of scale, small gold deposits struggle with capex and opex. The sorter box could go a long way to overcoming that problem.