China's lead and zinc mining
China lead-zinc mining, underground mining, but a few mining or open-pit mining for the first open-pit mining, underground mining and changed.
Underground mining, the current mining depth is generally 300 ~ 800m. The mining method, according to the topography of the deposit, the occurrence of the ore body, the scale and the depth of burial, usually use four methods: shaft, flat and joint development and inclined well development. Here are a list of 10 large mines, as shown in the table below:
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