Taoyuan gossan type gold deposit occurs at the upper end of the slant layered pyrite ore body.
2
矿体包含黄铁矿，黄铜矿和闪锌矿。
The ore body consists of pyrite, chalcopyrite and sphalerite.
3
依据东大山铁矿的矿体形态及所采用的采矿方法，浅析了中深孔崩矿参数的设计与优化途径。
In accordance with the orebody shapes of Dongdashan iron mine and the adopted mining method, the ways of design and optimization for medium and deep caving parameters were given.
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