Unearthing the snake oil for gold extraction

Jaeheon Lee

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Unearthing the snake oil for gold extraction

机译：挖掘蛇油用于金提取

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Gold is one of the most sought-after metals in human history. The first reference to gold dates back to around 5,000 BC. This yellow metal is the symbol of wealth, power and of course beauty. About 180 kt (5.8 billion ounces) of gold have been produced so far and more than 90 percent have been produced since the California Gold Rush of 1848. If we collected all the gold produced in one place, can you guess how big the chunk of yellow metal could be? Could it be the size of the Capitol Building in Washington, DC? Or could it be the size of a football field? In reality, it would be much smaller than those two examples - it would be a cube with each side measuring 21 meters and could easily fit into a basketball court with a height of 22 m (72 ft).

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来源
《Mining Engineering》 |2021年第3期|共2页
作者
Jaeheon Lee;
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作者单位

Department of Mining and Geological Engineering University of Arizona;

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正文语种 eng
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Unearthing the snake oil for gold extraction

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