Extract silver from ore, win $10,000,000

Barrick Gold has a problem. It’s got a whop of silver in Argentina, but it’s tapped in silica-encapsulated ore. If you can “unlock the value” — ie figure out a way to economically boost their current 6.7 per cent recovery rate — they’ll give you a cool $10 mil. Kinda like the X Prize, only underground.

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