第一构造层为蓟县纪—青白口纪早期弧后边缘盆地沉积。
The first one is back arc basin sediment in margin of back arc during Jixian Period-early Qingbaikou Period.
根据基底性质分析，探讨了东海大陆边缘新生代沉积盆地的形成演化与成因机制。
Along the continental margin in East China Sea, the origin and evolution of Tertiary sedimentary basins are discussed, based on analyses of basement nature.
本文提出了宜昌奥陶系沉积相是台地相—台地边缘相—浅海盆地相的多相台棚式的组合类型，指出奥陶系经历了四次海进到海退的沉积旋回过程。
In this paper, it is suggested that the Ordovician sedimentary facies in the Yichang region are a combination type consisting of platform facies, platform margin facies and shallow sea basin facies.
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