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题名: Climatic and environmental implications from n-alkanes in glacially eroded lake sediments in Tibetan Plateau: An example from Ximen Co
作者: Pu Yang ; Zhang HuCai ; Wang YongLi(王永莉) ; Lei GuoLiang ; Nace, Trevor ; Zhang ShuPing
刊名: CHINESE SCIENCE BULLETIN
出版日期: 2011
卷号: 56, 期号:14, 页码:1503-1510
关键词: Tibetan Plateau ; glacially eroded lake ; Ximen Co ; lake sediment ; molecular fossil ; n-alkane ; climatic and environmental change
学科分类: Multidisciplinary Sciences
英文摘要: Study indicates that the elements rich in marine floor hydrothermal fluids have a positive influence, not only on total organic carbon (TOC), but also on the abundance Of SiO2 in some Middle-Upper Proterozoic strata. The TOC bears a better positive correlation with abundance Of SiO2. By the correlation analysis between organic matter and sea-floor hot fluid characterized trace elements such as P, Cu, Zn, Ni, Ba, etc in marine carbonate rocks, we conclude that organic matter enrichment of carbonate rocks were related to marine floor hydrothermal activity in a part of layers. Some thin-layered cherts, which were thought to be the indicators of hydrothermal activity, frequently occurring in Gaoyuzhuang, Wumishan, Tieling and Xiamaling formation support our conclusion. With the increasing of trace elements in marine carbonate rocks, the TOC and Fe/Ti ratio is creasing. In contrast, the Al/(Al+Fe+Mn) ratio is usually decreasing.
收录类别: SCI
所属项目名称: National Natural Science Foundation of China [40871096]; Nanjing Institute of Geography and Limnology, CAS [NIGLAS2010XK01]
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.lig.ac.cn/handle/132962/2126
Appears in Collections:油气地球化学研究室_期刊论文

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Pu Yang; Zhang HuCai; Wang YongLi; Lei GuoLiang; Nace, Trevor; Zhang ShuPing.Climatic and environmental implications from n-alkanes in glacially eroded lake sediments in Tibetan Plateau: An example from Ximen Co,CHINESE SCIENCE BULLETIN,2011,56(14):1503-1510
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