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一、序言数千年前,我国劳动人民早就发現了膨土岩,并且在日常生活中,加以广泛利用。但是膨土岩从地貭矿床和矿物学上加以确认,只不过是近三十年间的事,而且膨土岩这个名詞的使用只是近年来才漸渐普遍起来。膨土岩从矿物成分来看,都是以蒙脱石族的矿物为主要成分的各种粘土貭岩石。它們在工业上应用很广,可作为鑄造模型的粘結剂、用于石油炼制工业、各种动动物油类的精制工业和其他国民經济各个部門中,所以膨土岩矿产资源在社会主义建設中将起着重大的作用。
I. Preface Thousands of years ago, the working people in our country discovered the bentonite for a long time and made extensive use in daily life. However, the identification of bentonite from the Miocene deposits and mineralogy is only a matter of nearly thirty years, and the use of the term “bentonite” has only become widespread in recent years. From the perspective of mineral composition, bentonite is all kinds of clay 貭 rock which is mainly composed of montmorillonite minerals. They are widely used in industry and can be used as binders for foundry models in petroleum refining industries, refined industries of various animal oils, and other sectors of the national economy. Therefore, the development of socialist rock-building mineral resources in the socialist construction Lieutenant General will play a significant role.