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我国20多个省(区)都有石棉矿床产出,其中以超基性岩型温石棉为主,占全国石棉总储量的90%以上,大多数石棉矿山亦开采该类型矿床。由于石棉矿石品位较低(开采品位一
Asbestos deposits are produced in more than 20 provinces (regions) in China, of which over ultrabasic rock type chrysotile asbestos accounts for more than 90% of the total asbestos reserves in the country. Most of the asbestos mines also mine this type of deposit. Due to the low grade of asbestos ore (mining grade one