Correlation of carbon isotope stratigraphy and paleoenvironmental conditions in the Cretaceous Jehol Group, northeastern China
Correlation of carbon isotope stratigraphy and paleoenvironmental conditions in the Cretaceous Jehol Group, northeastern China
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东北白垩系热河群碳同位素地层与古环境条件对比
DOI：
10.1080/00206814.2019.1681303
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发表时间：
2020-01
影响因子：
2.6
通讯作者：
Wentong He
中科院分区：
文献类型：
--
作者：
Hansheng Cao;Wentong He
摘要 热河生物群代表了地球生物进化史上的一个重要阶段。位于中国东北辽宁省西部和河北省北部的两个具有阿普第阶热河生物群的地点，引发了一场重大的……（原文“deba”似乎不完整）
ABSTRACT The Jehol Biota represents an important phase in the history of biological evolution on Earth. Two sites with Aptian Jehol Biota, located in western Liaoning Province and in northern Hebei Province, northeastern China, have generated a major debate about the relationships between their fossil-bearing layers, resulting in confusions about their stratigraphic correlation and biogenetic sequence. We have applied carbon isotope analysis of total organic carbon to provide new data relevant to this debate and have re-examined the connection between volcanism and carbon cycle perturbations, with consideration of the paleoenvironmental conditions. The rare earth element data show that the provenances of the Jehol Group in western Liaoning and northern Hebei were similar and derived mainly from the underlying andesite. Constrained by the radiometric age, the δ13Corg curve suggests that the Dadianzi Formation in northern Hebei is comparable to the three lacustrine layers of the Yixian Formation (ranging from the Jianshangou Bed to the Jingangshan Bed) in western Liaoning. These layers are highly correlated with the early Aptian marine sequence in Oceanic Anoxic Event 1a (OAE 1a), implying that a possible teleconnection (possibly related to a large igneous province) existed between oceanic and terrestrial realms. We also propose that the Xiguayuan Formation above the Dadianzi Formation in northern Hebei is equivalent to the Huanghuashan Breccia Bed at the top of the Yixian Formation in western Liaoning. Moreover, the δ13Corg and element geochemical data suggest that the carbon cycle perturbation and the paleolimnological environments were distinctly influenced by the effects of volcanic CO2 during the early Aptian.
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DOI：
--
发表时间：
2003
期刊：
--
影响因子：
--
作者：
Chang Meemann
通讯作者：
Chang Meemann
DOI：
10.1360/csb1995-40-18-1682
发表时间：
1995-09
期刊：
--
影响因子：
--
作者：
张平中;王先彬;陈践发;王苏民
通讯作者：
张平中;王先彬;陈践发;王苏民
影响因子：
1.1
作者：
T. Bralower;E. Cobabe;B. Clement;W. Sliter;C. Osburn;J. F. Longoria
通讯作者：
T. Bralower;E. Cobabe;B. Clement;W. Sliter;C. Osburn;J. F. Longoria
DOI：
10.18307/2017.0524
发表时间：
2017
期刊：
Journal of Lake Sciences
影响因子：
--
作者：
W. Yaqiong;Wang Chang-yong;Meng Xianghao;Liu Wenwu;Zhou Yi;Chang Hailiang
通讯作者：
W. Yaqiong;Wang Chang-yong;Meng Xianghao;Liu Wenwu;Zhou Yi;Chang Hailiang
影响因子：
5.8
作者：
A. Draut;P. Clift
通讯作者：
A. Draut;P. Clift