...沉积学；沉积环境；剖面研究；沉积组合；九里桥组；新元古代 [gap=1399]Key words: Sedmentology; depositional environments; field research; sedimentary association; Jiuliqiao Formation; Neoproterozoic ..
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Microalgae contribution in the surface samples near the Yangtzi river estuarine(station 24)is lower than that in the sample far away from estuarine(station 30),resulting from different depositional environments in the two mud areas.
靠近长江河口的表层沉积物样品(24站)海洋内源藻类贡献略低于远离河口的站位(30站),陆源高等植物的输入稍高于后者,是受两泥质区沉积环境综合影响的结果。
参考来源 - 东海表层沉积物黏土粒级中多态脂肪酸组成与地球化学特征·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper analyses the coal accumulation characteristics of every depositional environments.
总结了不同沉积环境的聚煤特点。
The facies characteristics of above-mentioned depositional environments are described in this paper.
文章描述了上述各深水环境相特征。
Black shales have been considered as a sign of anoxic depositional environments and anoxic events for a long time.
富有机质黑色页岩的形成长期以来被认为是缺氧沉积环境的证据，并被作为全球缺氧事件的标志。
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