The sediments are rich in clay, which forms when water weathers rocks into fine-grained particles.
这些沉积物富含粘土，粘土是由水流将岩石侵蚀成细小的微粒所形成的。
Then something strange happened: the loess in the terraces wasn't on top of crushed rock anymore - it was on top of very finely laminated clay-rich sediments.
然后一些很奇怪的事儿发生了：梯田里的黄土不再在碎岩石上-在非常完美层压的黏土丰富的沉积物上。
Elements are mainly terrigenous, clay (or fine muddy matter) is the major factor controlling the concentrations of heavy metals in sediments.
大多数元素以陆源为主，粘土(或细颗粒沉积物)是控制底质金属含量的主要因素。
The particle size of the surface sediments in Daya Bay mainly consisted of silty clay, clay silt and silt.
大亚湾表层沉积物以粉砂质粘土、粘土质粉砂及粉砂为主组成。
Base on the clay minerals and geochemical data for the southern Yellow sea, the material sources and transportation of sediments are researched in this paper.
依据南黄海沉积物中粘土矿物和地球化学等方面的资料，对南黄海沉积物的物质来源及运移作了深入的探讨。
The results show that the suspended sediments of the Changjiang River are mainly composed of silt and clay, and with almost no sand.
结果显示，长江下游悬移载荷的粒度组成以粉砂、粘土为主，几乎不含砂，分选较差，泥沙来源比较复杂。
The clay minerals sampled from 10 surface sediments of prydz bay and adjacent sea area, Antarctica were analysed by infrared spectrum.
本文利用红外光谱法对南极普里兹湾及毗邻海域10个表层沉积物粘土矿物样品中的高岭石作了分析。
The clay minerals sampled from 10 surface sediments of prydz bay and adjacent sea area, Antarctica were analysed by infrared spectrum.
本文利用红外光谱法对南极普里兹湾及毗邻海域10个表层沉积物粘土矿物样品中的高岭石作了分析。
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