THE continental dynamics has become a goaI since the beginning of the 1990s and it will still bethe key subject in the 21st century. Orogenic belts, having experienced the most intensechanges of geotherm and mechanics...THE continental dynamics has become a goaI since the beginning of the 1990s and it will still bethe key subject in the 21st century. Orogenic belts, having experienced the most intensechanges of geotherm and mechanics in the lithosphere, are the important research object in thestudy of continental dynamics. For this reason, the study of orogenic belts forms a hot and dif-ficult point in the geological society and the concentration of efforts is needed for overcomingthis difficult point. China has the most orogenic belts of various types in the world, so the De-partment of Earth Sciences caught this scientific chance in the early 1990s, took the展开更多
IN recent years, a series of environmental problems have attracted wide attention in the world.As environmental changes can result from both the operations of natural factors and human ac-tivities, the international s...IN recent years, a series of environmental problems have attracted wide attention in the world.As environmental changes can result from both the operations of natural factors and human ac-tivities, the international science community has the common opinion that environmental prob-lems should be studied in a broader perspect. In other words, the earth environment should beregarded as an entity that consists of many interactive and interrelated parts. Highlighted展开更多
文摘THE continental dynamics has become a goaI since the beginning of the 1990s and it will still bethe key subject in the 21st century. Orogenic belts, having experienced the most intensechanges of geotherm and mechanics in the lithosphere, are the important research object in thestudy of continental dynamics. For this reason, the study of orogenic belts forms a hot and dif-ficult point in the geological society and the concentration of efforts is needed for overcomingthis difficult point. China has the most orogenic belts of various types in the world, so the De-partment of Earth Sciences caught this scientific chance in the early 1990s, took the
文摘IN recent years, a series of environmental problems have attracted wide attention in the world.As environmental changes can result from both the operations of natural factors and human ac-tivities, the international science community has the common opinion that environmental prob-lems should be studied in a broader perspect. In other words, the earth environment should beregarded as an entity that consists of many interactive and interrelated parts. Highlighted
