崎岖列岛的地形、潮流、长江冲淡水和风浪是影响列岛海区现代沉积环境的主要因素。
The major factors controlling the modern sedimentation environment there have topography, tide, the Yangtze diluted water and wind waves.
滦河三角洲地区现代沉积环境类型多，分布紧凑，生物繁盛，是进行沉积学和痕积学研究的理想场所。
The Luanhe River Deltaic Area may be reckoned as a natural workshop for sedimentological and ichnological study with its diverse modern sedimentary environments and traces left by animals.
本文运用现代沉积学和地层学理论，对区内震旦系岩石地层进行了基本层序研究与沉积环境分析。
On the basis of modern theory of sedimentology and stratigraphy, the paper analyses the stratigraphic sequence and sedimentary environment of Sinian system in the area.
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