化学沉积岩可以是由溶液直接沉淀的物质形成，也可是由植物或动物活动分泌物质而形成。
Chemical rocks are formed from materials either directly precipitated from solution or secreted by the activities of plants or animals.
在塔里木盆地沉积岩时间序列化学数据的应用实例中，解决了石油井下地层预测和归类问题。
While applying the method to the time series data of sedimentary rock in Talimu basin, the prediction and classification of layer in petroleum well have got solution.
结果显示，紫色沉积岩发育的土壤，在一定程度上继承了母岩的特点，化学风化作用微弱。
The results show that the soils have, in varying degree inherited some properties of purple sedimentary rocks for their very weak chemical weathering.
第三本是《沉积岩》，石油化学工业出版社1977年出版，这是我国第一本沉积岩石学专著。
The third one, which is the first monograph of sedimentary petrology in China, is Sedimentary Rocks published by Petroleum Chemical Press in 1977. Prof.
方解石在沉积岩成岩环境中的溶解度与地下水化学特征、温度等有着极为密切的关系。
The solubility of calcite in the diagenesis is closely related to the chemistry of groundwater and the temperature.
通过太湖MS沉积岩芯元素地球化学指标的分析，对太湖沉积物污染历史进行了系统的讨论。
The pollution history of Taihu Lake is studied based on the geochemical characteristics in Core MS sediments.
经岩石化学及微量元素等的研究表明，这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
经岩石化学及微量元素等的研究表明，这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
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