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本文根据东海地质- 地球物理调查资料,讨论横贯我国东海海域的舟山—国头断裂带对东海地质构造的控制作用及其延伸问题。“东西分带,南北分块”是东海地质构造的基本特点,也是东海地球物理场的基本特征。但南北分块的界线在何处?舟山—国头断裂带是否向陆区延伸?一直是悬而未决的问题,它涉及我国东部的大地构造格局。作者根据地球物理资料及部分地质资料,对这些问题提出了自己的看法,供进一步研究和讨论。
Based on the data from the East China Sea geo-geophysical survey, this paper discusses the controlling effect and extension of the Zhoushan-Kunntou fault zone across the East China Sea on the geological structure of the East China Sea. “East-West zoning, north-south block” is the basic characteristics of the East China Sea geological structure, but also the basic characteristics of the East China Sea geophysical field. However, where is the dividing line between the north and south? Whether the Zhoushan-Kunitou fault zone extends to the land area has always been an unresolved issue that involves the tectonic framework in the eastern part of our country. Based on geophysical data and some geological data, the author put forward his own views on these issues for further study and discussion.