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石灰岩是主要由方解石矿物组成的碳酸盐岩,通常作矿物原料商品名称为石灰石。在建筑、冶金、化工、轻工、食品、石油、农业等诸多领域中,具有广泛的用途,是水泥工业的重要原料。水泥是一种应用广、用量大的现代建筑材料,在国民经济建设中具有重要地位。在《中华人民共和国矿产资源法实施细则》矿产资源分类细目(1994)中,用作水泥原料的石灰岩矿及大理岩矿,均单列矿种。本章所指水泥石灰岩矿即指在矿产储量表中单列的专用于水泥原料的石灰岩和大理岩,统称为水泥石灰岩矿。
Limestone is a carbonate rock composed primarily of calcite minerals, commonly known as limestone under the trade name Mineral Materials. In the construction, metallurgy, chemical industry, light industry, food, petroleum, agriculture and many other fields, has a wide range of uses, is an important raw material for the cement industry. Cement is a widely used, large amount of modern building materials, in the construction of national economy has an important position. In the “Detailed Rules for the Implementation of the Mineral Resources Law of the People’s Republic of China”, the limestone mines and marble mines, which are used as raw materials for cement, are all individually classified as mineral resources. Cement Limestone Mine referred to in this Chapter refers to the limestone and marble exclusively used for cement raw materials in the Mineral Reserves Table, collectively referred to as Cement Limestone Mine.