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Stable Isotope Constraints on Marine Productivity Across the Cretaceous-Paleogene Mass Extinction 期刊论文
PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY, 2019, 卷号: 34, 期号: 7, 页码: 1195-1217
作者:  Sepulveda, Julio;  Alegret, Laia;  Thomas, Ellen;  Haddad, Emily;  Cao, Changqun;  Summons, Roger E.
Adobe PDF(3698Kb)  |  收藏  |  浏览/下载：404/1  |  提交时间：2019/12/18
Cretaceous-Paleogene  mass extinction  carbon cycling  marine productivity  carbon isotopes  nitrogen isotopes  
A positive C-isotope excursion induced by sea-level fall in the middle Capitanian of South China 期刊论文
Palaeogeography, Palaeoclimatology, Palaeoecology, 2018, 卷号: 505, 页码: 305-316
作者:  Changqun Cao (曹长群);  Can Cui (崔璨);  Jun Chen (陈军);  Roger E. Summons;  Shuzhong Shen (沈树忠);  Hua Zhang (张华)
Adobe PDF(5725Kb)  |  收藏  |  浏览/下载：449/7  |  提交时间：2018/07/17
Carbon Isotope  Capitanian  Kamura Event  Eutrophication Effects  
Non-detection of C-60 fullerene at two mass extinction horizons 期刊论文
Geochimica et Cosmochimica Acta, 2016, 卷号: 176, 页码: 18-25
作者:  Carrasquillo, AJ (Carrasquillo, Anthony J.);  Cao, CQ (曹长群);  Erwin, DH (Erwin, Douglas H.);  Summons, RE (Summons, Roger E.)
Adobe PDF(580Kb)  |  收藏  |  浏览/下载：379/1  |  提交时间：2016/12/13
Methanogenic burst in the end-Permian carbon cycle 期刊论文
PNAS(PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA), 2014, 卷号: 111, 期号: 15, 页码: 5462-5467
作者:  Rothman, Daniel H.;  Fournier, Gregory P.;  French, Katherine L.;  Alm, Eric J.;  Boyle, Edward A.;  Cao, Changqun(曹长群);  Summons, Roger E.
Adobe PDF(932Kb)  |  收藏  |  浏览/下载：366/3  |  提交时间：2015/04/03
MOLECULAR PRESERVATION OF CENOZOIC CONIFER FOSSIL LAGERSTATTEN FROM BANKS ISLAND, THE CANADIAN ARCTIC 期刊论文
PALAIOS, 2012, 卷号: 27, 期号: 5-6, 页码: 279-287
作者:  Witkowski, Caitlyn;  Gupta, Neal S.;  Yang, Hong (杨洪);  Leng, Qin (冷琴);  Williams, Christopher J.;  Briggs, Derek E. G.;  Summons, Roger E.
Adobe PDF(1901Kb)  |  收藏  |  浏览/下载：344/12  |  提交时间：2013/03/26
Diagenetic and detrital origin of moretane anomalies through the Permian-Triassic boundary 期刊论文
GEOCHIMICA ET COSMOCHIMICA ACTA, 2012, 卷号: 84, 页码: 104-125
作者:  French, Katherine L.;  Tosca, Nicholas J.;  Cao, Changqun (曹长群);  Summons, Roger E.
Adobe PDF(1149Kb)  |  收藏  |  浏览/下载：444/9  |  提交时间：2013/03/26
Significance of polycyclic aromatic hydrocarbons (PAHs) in Permian/Triassic boundary sections 期刊论文
APPLIED GEOCHEMISTRY, 2010, 卷号: 25, 期号: 9, 页码: 1374-1382
作者:  Nabbefeld, Birgit;  Grice, Kliti;  Summons, Roger E.;  Hays, Lindsay E.;  Cao, Changqun (曹长群)
Adobe PDF(847Kb)  |  收藏  |  浏览/下载：388/36  |  提交时间：2012/08/15
Diagenesis of plant biopolymers: Decay and macromolecular preservation of Metasequoia 期刊论文
ORGANIC GEOCHEMISTRY, 2009, 卷号: 40, 期号: 7, 页码: 802-809
作者:  Gupta, Neal S.;  Yang, Hong;  Leng, Qin (冷琴);  Briggs, Derek E. G.;  Cody, George D.;  Summons, Roger E.
Adobe PDF(749Kb)  |  收藏  |  浏览/下载：392/34  |  提交时间：2012/08/15
Biogeochemical evidence for euxinic oceans and ecological disturbance presaging the end-Permian mass extinction event 期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2009, 卷号: 281, 期号: 3-4, 页码: 188-201
作者:  Cao, Changqun (曹长群);  Love, Gordon D.;  Hays, Lindsay E.;  Wang, Wei (王伟);  Shen, Shuzhong (沈树忠);  Summons, Roger E.
Adobe PDF(1342Kb)  |  收藏  |  浏览/下载：456/23  |  提交时间：2012/08/15
Permian Triassic  Extinction  Meishan  South China  Euxinia  Chlorobiaceae  Biomarker Hydrocarbons  Stable Carbon Isotopes  Strontium  
Two episodes of C-13-depletion in organic carbon in the latest Permian: Evidence from the terrestrial sequences in northern Xinjiang, China 期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2008, 卷号: 270, 期号: 3-4, 页码: 251-257
作者:  Cao, Changqun (曹长群);  Wang, Wei (王伟);  Liu, Lujun (刘陆军）;  Shen, Shuzhong (沈树忠);  Summons, Roger E.
Adobe PDF(1524Kb)  |  收藏  |  浏览/下载：480/28  |  提交时间：2012/08/15
Carbon Isotope  Permian  Triassic  Terrestrial  Xinjiang  China