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非金属矿产-非金属矿产，在地壳中可以直接开采与利用的非金属矿物集合体，例如萤石、耐火黏土、白云岩和石灰岩等。目前世界上已知地壳中含有1,150多种矿产，依其性质和工业用途，可分为金属矿、非金属矿产和有机燃料矿床。</br> generated by yvsou girl
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