Carbon isotopic evolution of the terminal neoproterozoic and early Cambrian: Evidence from the Yangtze platform, South China

被引：105
作者：
Guo, Qingjun [1 ]
Strauss, Harald
Liu, Congqiang
Goldberg, Tatiana
Zhu, Maoyan
Pi, Daohui
Heubeck, Christoph
Vemhet, Elodie
Yang, Xinglian
Fu, Pingqing
机构：
[1] Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China
[2] Univ Munster, Inst Geol Palaontol, D-48149 Munster, Germany
[3] James Cook Univ N Queensland, Sch Earth Sci, Townsville, Qld 4811, Australia
[4] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
[5] Free Univ Berlin, Inst Geol Wissensch, D-12249 Berlin, Germany
[6] Guizhou Univ, Coll Resource & Environm, Guiyang 550003, Peoples R China
来源：
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY | 2007年 / 254卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
terminal neoproterozoic; early Cambrian; carbon isotopes; sedimentary facies; Yangtze platform; South China;
D O I：
10.1016/j.palaeo.2007.03.014
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Profound geotectonic, climatic and biological changes occurred during the terminal Neoproterozoic and its transition into the Early Cambrian. These changes are reflected in temporal variations of the carbon isotopic composition of seawater, recorded in a sedimentary succession on China's Yangtze Platform. However, in addition to secular changes in carbon isotopes, the studied succession reflects additional variations in accordance with the deposition in different sedimentary facies, ranging from shallow water platformal to deeper water basinal settings. Likely a consequence of incorporation of variable amounts of 13 C depleted bacterial biomass, this regional signal is superimposed on the secular variations of the global carbon cycle. (c) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：140 / 157
页数：18
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