fluvio-marine deposits 河海沈积物 ; 河海沉积物
shallow-marine detrital deposits 浅海相碎屑沉积
marine siliciclastic deposits 海相硅质碎屑岩
natural marine intermediate deposits 天然沉积海相土
This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.
海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。
Most marine deposits from around the world contain either plankton or a lot of fern spores but not both together in the same layer.
世界上大多数的海洋沉积物不是含有浮游生物就是含有大量的蕨类孢子，但它们并不是同时存在于同一层中。
Abstract1 Northeast Sichuan basin is a Mesozoic-Cenozoic basin with complex tectonics, Triassic formation based on Marine deposits was an important potential resource and reservoir.
川东北地区是一个具有复杂构造的中新生代盆地，以海相沉积为主的三叠系是重要的储层。
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