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Long chain alkenones preserved in Miocene lake sediments
Sun, YY (Sun, Yuan-Yuan)[1,2]; Zhang, KX (Zhang, Ke-Xin)[3]; Liu, J (Liu, Jun)[1]; He, YX (He, Yu-Xin)[1]; Song, BW (Song, Bo-Wen)[3]; Liu, WG (Liu, Wei-Guo)[4]; Liu, ZH (Liu, Zhong-Hui)[1]
2012-09-30
Source PublicationOrganic Geochemistry
Volume50Pages:19-25
Subtype期刊论文
Abstract

Over the last few decades, the occurrence of long chain alkenones (LCAs) in Quaternary lacustrine settings has been reported, the distributions being remarkably different from those of open ocean settings. We report here the occurrence of LCAs with modern lake-type composition from Middle Miocene sedimentary strata in the Dahonggou Section, Qaidam Basin, northern Tibetan Plateau. This is the first report of LCAs with preserved lake compositions in pre-Quaternary lacustrine sediments. The discovery implies that the producers of modern lacustrine LCAs could originate from similar lake species living at least as far back as the Miocene epoch. It also sheds new light on the potential of “alkenones” as palaeotemperature indicators in lacustrine systems back to at least 10.5 Ma.

DOI10.1016/j.orggeochem.2012.06.007
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10205
Collection加速器质谱中心
Corresponding AuthorSun, YY (Sun, Yuan-Yuan)[1,2]
Affiliation1.Department of Earth Sciences, The University of Hong Kong, Hong Kong, China;
2.Chengdu Center, China Geological Survey, Chengdu 610081, China;
3.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430074, China;
4.State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China
Recommended Citation
GB/T 7714
Sun, YY ,Zhang, KX ,Liu, J ,et al. Long chain alkenones preserved in Miocene lake sediments[J]. Organic Geochemistry,2012,50:19-25.
APA Sun, YY .,Zhang, KX .,Liu, J .,He, YX .,Song, BW .,...&Liu, ZH .(2012).Long chain alkenones preserved in Miocene lake sediments.Organic Geochemistry,50,19-25.
MLA Sun, YY ,et al."Long chain alkenones preserved in Miocene lake sediments".Organic Geochemistry 50(2012):19-25.
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