沉积体系是指在沉积环境和沉积作用过程方面有成因联系的三维岩相组合。 沉积体系概念和方法主要是在20世纪60～70年代研究墨西哥湾沿岸沉积时，根据瓦尔特相定律和相模式发展完善起来的。
根据岩石类型、颜色、自生矿物等特征，对沉积体系进行划分。
The sedimentary systems were divided according to the characteristics in rock types, color and authigene.
每个体系域的沉积体系组合具有成因上的连续性。
Combinations of sedimentary systems in each system tract have genetic continuity.
经分析发现，这个沉积体系，完全受控于黄海暖流、冷涡及其相关的环流体系。
It is discovered, that sedimentary system have been controled by the Yellow Sea warm current and its derivative (cold eddy system).
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