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by intractable
5170 days ago
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It's definitely wrong. According to [1], 614,631 kg were mined in South Africa (which accounts for about 80% of world production) between 2002 and 2009. Density of platinum = 21.45g/cm^3 = 21.45 * 10^6 g/m^3 = 21.45 * 10^3 kg/m^3 => total volume mined 2002 - 2009 = 614631 / 21450 = 28.65 m^3 approx. So that's about 28.65 * 35.29 = 1011 cubic feet, JUST in South Africa and JUST between those years. Other estimates visualise the total ever mined as a cube of 20 feet per SIDE ([2]), which sounds a bit more like it, given the numbers above - but still feels a little bit low. [1] http://www.indexmundi.com/minerals/?country=za&product=p... [2] http://money.howstuffworks.com/question213.htm |
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