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Based on these three examples, we submit that current standards remain nonuniversal, confusing, and inadequate to determine the real cost of mining gold.

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In part two of a series on bitcoin''s sustainability, Hass McCook looks at the true costs of gold mining.

BHP Billiton, the world''s largest mining company, said on Tuesday it would slash its iron ore production cost further and cut spending to better withstand a downturn ...

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