Yunchangping zinc mine lies in the Dadongla mercury mine field of Hunan-Guizhou mercury mine belt, with the verified zinc metal resources quantity nearly 100,000 tons at present.

云场坪锌矿产于湘黔汞矿带大硐喇汞矿田中，目前探明的锌金属资源量近10万吨。

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What's more, the estimated 10 million to 20 million workers who mine for gold this way will all too often inhale the mercury, putting their health at profound risk.

更为严重的是，估计有1000万至2000万的工人用这种方法炼金，他们都频繁地吸入汞，把健康置于严重的危险之中。

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Mercury, that was used to extract gold in amalgamation, is the main source of pollution of the mine environment.

混汞法提金工艺过程中添加的金属汞是某金矿区周围环境汞污染的主要来源。

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