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Geochemical environmental changes and dinosaur extinction during the Cretaceous-Paleogene (K/T) transition in the Nanxiong Basin, South China: Evidence from dinosaur eggshells
Zhao, ZK; Mao XY(毛雪瑛); Chai ZF(柴之芳); Yang GC(杨高创); Mao, XY; Chai, ZF; Yang, GC; Zhang, FC; Yan, Z
刊名CHINESE SCIENCE BULLETIN
2009
卷号54期号:5页码:806-815
关键词Nanxiong Basin of Guangdong Province Cretaceous-Paleogene (K/T) boundary Ir anomaly trace element stable isotope dinosaur eggshell dinosaur extinction
学科分类Science & Technology - Other Topics
DOI10.1007/s11434-008-0565-1
通讯作者[Zhao ZiKui ; Zhang FuCheng] Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China ; [Mao XueYing ; Chai ZhiFang ; Yang GaoChuang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100080, Peoples R China ; [Mao XueYing ; Chai ZhiFang ; Yang GaoChuang] Chinese Acad Sci, Lab Nucl Analyt Tech, Beijing 100080, Peoples R China ; [Yan Zheng] State Seismol Bur, Inst Geol, Beijing 100029, Peoples R China
文章类型Article
英文摘要The complex patterns of trace elements including Ir and isotope distributions in the three K/T sections of the Nanxiong Basin prove the existence of two environmental events in the latest Cretaceous and earliest Paleocene. The first geochemical environmental event occurred at about 2 Ma prior to the K/T boundary interval, where the dinosaur diversity was hardly reduced, except that a number of pathological eggshells appeared. The second one was larger and occurred just at and near the Cretaceous-Paleogene (K/T) boundary. The extinction of the dinosaurs spread out within 250 ka with major extinction beginning at the boundary interval. This is even later than their extinction in Montana, North America and in India. The cause of the dinosaur extinction may be the result of a complex multiple events brought about by the coincidence of global environment change marked by multiple Ir and delta(18)O anomalies, and environmental poisoning characterized by other trace elements derived from the local source. Successive short- and long-term conditions of geochemically induced environmental stress negatively affected the reproductive process and thus contributed to the extinction of the dinosaurs.
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
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语种英语
WOS记录号WOS:000263787900015
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238528
专题院士_期刊论文
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Zhao, ZK,Mao XY,Chai ZF,et al. Geochemical environmental changes and dinosaur extinction during the Cretaceous-Paleogene (K/T) transition in the Nanxiong Basin, South China: Evidence from dinosaur eggshells[J]. CHINESE SCIENCE BULLETIN,2009,54(5):806-815.
APA Zhao, ZK.,毛雪瑛.,柴之芳.,杨高创.,Mao, XY.,...&Yan, Z.(2009).Geochemical environmental changes and dinosaur extinction during the Cretaceous-Paleogene (K/T) transition in the Nanxiong Basin, South China: Evidence from dinosaur eggshells.CHINESE SCIENCE BULLETIN,54(5),806-815.
MLA Zhao, ZK,et al."Geochemical environmental changes and dinosaur extinction during the Cretaceous-Paleogene (K/T) transition in the Nanxiong Basin, South China: Evidence from dinosaur eggshells".CHINESE SCIENCE BULLETIN 54.5(2009):806-815.
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