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(一) 之所以非金属矿归口于建材部门,是因为用作建材的矿物原料占非金属矿总产量的90%。除了传统生产水泥、玻璃、陶瓷的原料需要石灰石、石英砂及高岭土一类非上属矿而外,现代建材要求轻质高强,大量的蛭石、珍珠岩、沸石、浮石、页岩、板岩、火山碴、硅灰石、硅藻土、膨润土等也在被用作骨料和其它用途。尤其是随着人类生活水平的提高,对建筑物的装饰愈来愈提出了高要求,对抛光的大理石、花岗岩、水磨石及人造大理石等装饰石材的需求量越来越大,在世界范围内已形成石材热。在我国也出现了全民
(A) The reason why non-metallic minerals belong to the building materials sector, because the mineral raw materials used for building materials accounted for 90% of the total non-metallic mineral output. In addition to the traditional production of cement, glass, ceramic raw materials require limestone, quartz sand and kaolin a class of non-on the mine, the modern building materials require lightweight high-strength, a large number of vermiculite, perlite, zeolite, pumice, shale, , Lava, wollastonite, diatomaceous earth, bentonite, etc. are also being used as aggregates and other uses. Especially with the improvement of human living standards, more and more high demands are placed on the decoration of buildings. The demand for decorative stone materials such as polished marble, granite, terrazzo and artificial marble is increasing. In the world, The formation of stone heat. In our country there have also been all the people