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一、引論首先談談本文的目的及研究对象的地貭特点。几年来的实际工作使我們体会到:要深刻地从本貭上认識各族类沉积岩和沉积矿床的特征,理解和掌握它們生成发展的規律和条件,就必須首先从两方面来下功夫、找途径:其一是从空間联系上来认識它們,其二是从时間革替上来认識它們。地壳組成元素由时間因素及空間因素所鈎画出的运动規迹,标征着地壳組成元素的諸能量和貭量因素的总
First, the introduction First of all, talk about the purpose of this article and the characteristics of the study object. The actual work over the past few years has made us realize that profoundly understanding the characteristics of sedimentary rocks and sedimentary deposits of various ethnic groups and understanding and mastering the laws and conditions for the development and development of ethnic groups must first make efforts in two aspects, Find ways: one is to know them from the space connection, and the other is to recognize them from the time. Elements of crustal movement by the time factor and space factor drawn by the sport trail, marking the crustal elements of the energy and quantity of the total factor