一、引言朝鲜半岛是欧亚大陆板块中稳定地块的一部份,半岛上呈带状的地质分区与中国大陆的地质分区相对应(图1)。而日本列岛则是位于大陆板块东南边缘上的一大岛弧。根据板块构造理论分析,在日本海形成之前,日本列岛与大陆相连,就其位置和移动路线来说,有图 I. INTRODUCTION The Korean Peninsula is a part of a stable block in the Eurasian Plate. The zonal zoning on the peninsula corresponds to the geological zonation in China (Figure 1). The Japanese archipelago is a large island arc located on the southeastern margin of the continental plate. According to the plate tectonic theory, before the formation of the Sea of ​​Japan, the Japanese archipelago was connected to the mainland. In terms of its location and movement routes,