A framework for the extraction and interpretation of organic molecules in speleothem carbonate

PM Wynn, JJ Brocks - Rapid Communications in Mass …, 2014 - Wiley Online Library
RATIONALE The organic content of speleothem calcite is a well‐recognized component of
their chemical composition. To date, the techniques for interpretation of this material include …

Distribution of biomarkers in lacustrine sediments of the Linxia Basin, NE Tibetan Plateau, NW China: significance for climate change

Y Wang, X Fang, T Zhang, Y Li, Y Wu, D He, Y Gao… - Sedimentary …, 2012 - Elsevier
In this study, n-alkanes, isoprenoids and n-alkyl-ketones were detected in lacustrine
sediments in the Maogou section of the Linxia Basin, NE Tibetan Plateau, NW China. The …

Environmental change and human activities during the 20th century reconstructed from the sediment of Xingyun Lake, Yunnan Province, China

H Zhang, S Li, Q Feng, S Zhang - Quaternary International, 2010 - Elsevier
The history of environmental changes and human activities in the catchment of Xingyun
Lake, Yunnan Province, Southwest China, was investigated using an 85cm sediment core …

Proxy value of n-alkan-2-ones in the Hongyuan peat sequence to reconstruct Holocene climate changes on the eastern margin of the Tibetan Plateau

Y Zheng, W Zhou, PA Meyers - Chemical Geology, 2011 - Elsevier
n-Alkan-2-ones in the Hongyuan peat core from the eastern margin of the Tibetan Plateau
were investigated to assess the paleoclimate proxy value of variations in their compositions …

Thermochemolysis of organic matter preserved in stalagmites: A preliminary study

AJ Blyth, JS Watson - Organic Geochemistry, 2009 - Elsevier
The analysis of organic matter (OM) preserved in stalagmites is a growing field, but there
have been few studies of biomarker compounds such as lignin phenols that are widely used …

Identifying “free” and “bound” lipid fractions in stalagmite samples: an example from Heshang Cave, Southern China

X Huang, J Cui, Y Pu, J Huang, AJ Blyth - Applied Geochemistry, 2008 - Elsevier
Stalagmites are good archives for paleoecological change, as they are easy to date, and
contain multiple environmental proxy records, including climatic records from oxygen …

洛川黄土剖面S_4 古土壤及相邻黄土层分子化石与植被变化

张虎才, 杨明生, 张文翔, 雷国良, 常凤琴, 蒲阳… - 中国科学: D 辑, 2007 - cqvip.com
摘要利用GC—MS 对洛川剖面S4 古土壤及相邻L5, L4 部分黄土样品的分子化石进行连续检测,
获得包括正构烷烃, 正烷基-2-酮和类异戊二烯等丰富的类脂物分子, 结合剖面高密度样品室内 …

Distribution of lipids in modern soils from various regions with continuous climate (moisture-heat) change in China and their climate significance

YL Wang, XM Fang, Y Bai, XX Xi, XZ Zhang… - Science in China Series …, 2007 - Springer
Total 26 modern soil samples were collected from various regions under different climate
conditions from tropical to arid temperate in China and systematically analyzed for their …

石笋矿物由文石转变为方解石后碳, 氧同位素组成的变化

张海伟, 蔡演军, 安芷生, 秦世江 - 矿物岩石地球化学通报, 2014 - cqvip.com
石笋矿物由文石转变为方解石, 其碳, 氧同位素组成如何变化的认识对于古环境研究具有重要
意义. 选取江西省神农宫洞石笋SN15 进行研究, X 衍射分析测试证明其主体部分的矿物组成为 …

[HTML][HTML] 湖北清江和尚洞石笋GDGTs 来源: 5、 6-甲基支链GDGTs 和brGMGTs 新证据

张佳皓, 黄钰莹, 王灿发, 杨欢 - 第四纪研究, 2020 - dsjyj.com.cn
张佳皓, 黄钰莹, 王灿发, 杨欢. 湖北清江和尚洞石笋GDGTs 来源: 5, 6-甲基支链GDGTs
和brGMGTs 新证据[J]. 第四纪研究, 2020, 40 (4): 992-1007. doi: 10.11928/j. issn. 1001 …