亚洲大多数地质学家认为,渤海、东海、黄海和日本海等海域,是新生代逐渐形成的。这样,就有理由认为,今天的我国东部大陆与朝鲜半岛和日本列岛,在前新生代的地质构造发展,是一脉相连的。关于它们之间的连接图式,日本地质学家小林贞一,在三十年代初曾提出“秦岭-汉城地轴”,五十年代初又提出“福建-岭南地块”之说。“福建-岭南地块” Most Asian geologists believe that the Bohai Sea, the East China Sea, the Yellow Sea and the Sea of ​​Japan and other areas, is a new generation of gradually formed. In this way, there is a reason to believe that today’s eastern mainland China and the Korean Peninsula and the Japanese archipelago, in the pre-Cenozoic geological structure development, are connected. Regarding the connection between them, Japanese geologist Kobayashi Kobayashi put forward “Qinling - Seoul Earth Axis” in the early 1930s and “Fujian - Lingnan landmass” in the early 1950s. “Fujian - Lingnan block”