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地质学是这样一种学问,它研究我们生活所在的地球:研究组成地球的各种材料,地球上面进行着的各种变化,和地球在它生成以後的漫长年月中所遭受到的事件。它告诉人们:山脈、河流、海洋的变迁,各种岩石矿物的来源,它给人们寻找地下的宝藏指出了科学的道路。此外,在工程和水利方面,譬如给大厂矿的建设、筑铁道、修飞机场,筑水闸与水电站、开运河、都市水源问题等提供了科学的资料。地质学,使人们对自然界各种现象能够有科学的了解,并促使人们能改造自然,发展社会的主产。
Geology is a science that studies the earth in which we live: studying the materials that make up the earth, the changes that take place on Earth, and the events that the Earth suffered during the long years after its creation. It tells people: The changes of mountains, rivers, and the sea, the sources of various rock minerals, it points out the path to science for people to find underground treasures. In addition, in the fields of engineering and water conservancy, for example, scientific information is provided for the construction of Dachang Mine, the construction of railways, the repair of airfields, the construction of sluice gates and hydropower stations, the opening of the canal, and the problem of urban water supply. Geology enables people to have a scientific understanding of various phenomena in the natural world and encourages people to transform nature and develop the main production of society.