On palaeogeographic map

A palaeogeographic map is the graphic representation of physical geographical characteristics in geological history periods and human history periods.It is the most important result of palaeogeographic study.The author,as the Editor-in-Chief of Journal of Palaeogeography,Chinese Edition and English Edition,aimed at the problems of the articles submitted to and published in the Journal of Palaeogeography in the recent years and the relevant papers and books of others,and integrated with my practice of palaeogeographic study and mapping,wrote this paper.The content mainly includes the data of palaeogeographic mapping,the problems of palaeogeographic mapping method,the "single factor analysis and multifactor comprehensive mapping method-methodology of quantitative palaeogeography",i.e.the "four steps mapping method",the nomenclature of each palaeogeographic unit in palaeogeographic map,the explanation of each palaeogeographic unit in palaeogeographic map,the explanation of academic significance and industrial si