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顿河铬铁矿床岩体不论在构造上还是物理性质上都是非常不均质的。该矿床是在构造力的强烈作用条件下生成。结果，先后生成了各种主要的裂隙和断裂组，其中有带滑面的剪切裂隙、由拉应力所引起的张裂缝、二次物料填满的裂缝和张开的大裂缝。裂缝的宽度从发丝到10mm以上，并有很
The Don River chromite deposit is very inhomogeneous in both structural and physical properties. The deposit is generated under intense action of tectonic force. As a result, various major fractures and fracture groups were successively produced, including shear fractures with slippery surfaces, tension fractures caused by tensile stress, secondary material-filled fractures and open large fractures. The width of the crack from the hair to more than 10mm, and there is