李四光与民国时期中外地质学交流

李四光在民国时期中外地质学交流史上有着显著的地位。他与英国地质学的渊源，使其一系列具有创新意识的学术论著在英国发表、出版，并赴英讲学、参加国际地质会议；作为中国地质学会创始人，他与该会外籍会员有着广泛的学术交流；他在借鉴西方地质学理论和观点的同时，或修正、补充前说，或辩驳推翻谬论，创造地质力学、蜓科分类学等新理论、新方法；他以其在国内外地质学界的地位和影响，为地质留学生提供指导和帮助。

LI Si-guang and Geological Exchange between China and Foreign Countries during the Republic of China

LI Si-guang holds a significant position in the history of geological exchange between China and foreign countries during the Republic of China. His geological background in U. K. contributed to publishing a series of creative books in U. K.. In addition, he also lectured and attended international geological conferences in U. K.. As the founder of the Geologic Society of China, he developed extensive academic exchange with the foreign members of the society. He drew on western geological theories and viewpoints. Meanwhile, he modified some previous viewpoints or overthrew some wrong theories, created some new theories and new methods, such as geodynamics and taxonomy of Ting. Resorting to his influence in the world geological circle, he provided the overseas students studying geology with instruction and help.