GEOLOGICAL FEATURES AND FORMING MECHANISM OF THE YELLOW SEA BASIN
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摘要: 黄海中-新生代盆地是一个发育在前印支期基底之上的陆相断陷盆地。简要概述黄海盆地特征,分析盆地沉积建造特征、构造演化阶段的基础上,探讨了盆地的形成机制。认为华北东部地幔热柱的形成与演化,使黄海地区的构造体制从印支期末的华北地块与扬子地块的拼贴-增生,转变为地幔热柱演化-幔枝构造形成-区域伸展断陷。黄海盆地是东部盆岭区的一部分,其形成受华北东部地幔热柱演化的制约。Abstract: The Mesozoic-Cenozoic Yellow Sea Basin is a continental rift basin developed on the pre-Indosinian basement. The formation mechanism of the basin is discussed in this article, on the basis of geological features, sedimentary sequences and geotectonic history. As a result of the formation and evolution of geothermal plume in the eastern North China, the merging and accretion of the North China block and the Yangtze block at the end of Indosinian turned to a sequence of events of geothermal plume evolution-formation of the mantle branch structure-regional extensional rifting in the Yellow Sea area.Therefore, the Yellow Sea is a part of the eastern basin-range system and owe it's origin and evolution to the constraints of the geothermal plume evolution in the eastern North China.
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