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2 Underground Gold Mining Method
For gold deposits with relatively deep ore body buried depth and extended depth, underground mining method is more suitable. Commonly used underground gold mining methods include open-stope method and filling method. This article will briefly introduce these two underground gold mining methods.
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Reason #3: There are cyanide-consuming minerals such as copper and zinc in gold ore. Some gold ores are accompanied by copper and zinc minerals, such as malachite, azurite, pyrocopper and sphalerite (especially oxidized sphalerite), etc., which have high solubility in cyanide solution. While leaching gold, they will "compete" with gold for ...
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