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乐平世

乐平世
259.1 ± 0.5 – 251.902 ± 0.024百万年前
地质年代
二叠纪主要分界
-300 —
-295 —
-290 —
-285 —
-280 —
-275 —
-270 —
-265 —
-260 —
-255 —
-250 —
瓜德鲁普世末期灭绝事件英语Capitanian mass extinction event
二叠纪时间表
直轴:百万年前
词源
名称是否正式正式
同义名晚二叠世
具体信息
天体地球
适用区域全球(ICS)
适用时标ICS时间表
定义
地质年代单位
年代地层单位
名称是否正式正式
下边界定义牙形石物种Clarkina postbitteri postbitteri首次出现
下边界GSSP位置中国广西来宾市蓬莱滩组
23°41′43″N 109°19′16″E / 23.6953°N 109.3211°E / 23.6953; 109.3211
GSSP批准时间2004[1]:253–262
上边界定义牙形石物种小欣德牙形石首次出现
上边界GSSP位置中国浙江浙江梅山
31°04′47″N 119°42′21″E / 31.0798°N 119.7058°E / 31.0798; 119.7058
GSSP批准时间2001[2]:102–114

乐平世(英语:Lopingian)是二叠纪最上层的/最晚的世。[3]它也是古生代最后一个世。乐平世之前是瓜达洛普世,之后是早三叠世

乐平世/统也被称为晚二叠世上二叠统

名称由阿马多伊斯·威廉·葛利普于1931年命名,来自中国江西乐平市[4]:681它包含两个/地质年代,较早的是吴家坪期,较晚的是长兴期[5]

国际底层年代表(v2018/07)[3]给出的时间是259.1±0.5 Ma。如果全球界线层型剖面和点位(GSSP)已被批准,则最早阶段的下缘年龄就能决定世的年代。吴家坪期的GSSP年龄是259.8±0.4 Ma。[6][7]

乐平世结束于二叠纪-三叠纪灭绝事件

另见

参考

  1. ^ Jin, Yugan; Shen, Shuzhong; Henderson, Charles; Wang, Xiangdong; Wang, Wei; Wang, Yue; Cao, Changqun; Shang, Qinghua. The Global Stratotype Section and Point (GSSP) for the boundary between the Capitanian and Wuchiapingian Stage (Permian) (PDF). Episodes. December 2006, 29 (4) [13 December 2020]. doi:10.18814/epiiugs/2006/v29i4/003. (原始内容存档 (PDF)于2021-08-28). 
  2. ^ Hongfu, Yin; Kexin, Zhang; Jinnan, Tong; Zunyi, Yang; Shunbao, Wu. The Global Stratotype Section and Point (GSSP) of the Permian-Triassic Boundary (PDF). Episodes. June 2001, 24 (2) [8 December 2020]. doi:10.18814/epiiugs/2001/v24i2/004. (原始内容存档 (PDF)于2021-08-28). 
  3. ^ 3.0 3.1 International Commission on Stratigraphy. Chart. [10 July 2018]. (原始内容存档于2014-05-30). 
  4. ^ Zhang, Shouxin. Geological Formation Names of China (1866–2000). Beijing/Dordrecht: Higher Education Press/Springer. 2009. ISBN 978-7-040-25475-4. 
  5. ^ Allaby, Michael. A Dictionary of Geology and Earth Sciences 4th. Oxford University Press. 2015. ISBN 9780199653065. doi:10.1093/acref/9780199653065.001.0001. 
  6. ^ International Commission on Stratigraphy. GSSPs. [10 July 2018]. (原始内容存档于2017-06-10). 
  7. ^ Gradstein, Felix M.; Ogg, James G.; Smith, Alan G. A Geologic Time Scale 2004. 2004. ISBN 9780521786737. 
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乐平世
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