Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China

Abstract This paper presents new research on a lacustrine anoxic event (LAE). These data include stable carbon isotope (δ13Corg), pyrite sulfur isotope (δ34Spy), trace element and biomarker ratios from the Hongmiaozi Basin (North China) and unravel the response of continental lakes under the influen...

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Autores principales:	Daijun Fan, Xuanlong Shan, Yousif M. Makeen, Wentong He, Siyuan Su, Yibo Wang, Jian Yi, Guoli Hao, Yuting Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1062790175204ef4a8d71e23bd59df17
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spelling	oai:doaj.org-article:1062790175204ef4a8d71e23bd59df172021-12-02T13:26:42ZResponse of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China10.1038/s41598-021-86733-x2045-2322https://doaj.org/article/1062790175204ef4a8d71e23bd59df172021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86733-xhttps://doaj.org/toc/2045-2322Abstract This paper presents new research on a lacustrine anoxic event (LAE). These data include stable carbon isotope (δ13Corg), pyrite sulfur isotope (δ34Spy), trace element and biomarker ratios from the Hongmiaozi Basin (North China) and unravel the response of continental lakes under the influence of early Aptian extreme climate conditions. According to the stratigraphic chronology (122–118 Ma) and carbon isotope correlations, terrestrial sediment was influenced by the early Aptian Oceanic Anoxic Event (OAE1a). The results show that the Xiahuapidianzi Group experienced a significant warming process under negative excursions in carbon isotopes due to the influence of increased carbon dioxide partial pressure (pCO2). The climate varied from warm and humid to hot and arid (high Sr/Cu, low Rb/Sr, calcareous mudstone), the evaporation and salinity increased (high Sr/Ba and B/Ga), and land input sources decreased (low Zr, Ti and Th). Moreover, high total organic carbon (TOC) content was source from bacteria, algae (n-alkanes), and euxinic depositional environments (Pr/Ph, Cu/Zn and U V Mo). In the stage of continuous carbon isotopes positive excursion, organic matter accumulated rapidly. A paleolake environment model has provided a better understanding of current global climate issues under global warming caused by increased carbon dioxide concentrations.Daijun FanXuanlong ShanYousif M. MakeenWentong HeSiyuan SuYibo WangJian YiGuoli HaoYuting ZhaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Daijun Fan Xuanlong Shan Yousif M. Makeen Wentong He Siyuan Su Yibo Wang Jian Yi Guoli Hao Yuting Zhao Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
description	Abstract This paper presents new research on a lacustrine anoxic event (LAE). These data include stable carbon isotope (δ13Corg), pyrite sulfur isotope (δ34Spy), trace element and biomarker ratios from the Hongmiaozi Basin (North China) and unravel the response of continental lakes under the influence of early Aptian extreme climate conditions. According to the stratigraphic chronology (122–118 Ma) and carbon isotope correlations, terrestrial sediment was influenced by the early Aptian Oceanic Anoxic Event (OAE1a). The results show that the Xiahuapidianzi Group experienced a significant warming process under negative excursions in carbon isotopes due to the influence of increased carbon dioxide partial pressure (pCO2). The climate varied from warm and humid to hot and arid (high Sr/Cu, low Rb/Sr, calcareous mudstone), the evaporation and salinity increased (high Sr/Ba and B/Ga), and land input sources decreased (low Zr, Ti and Th). Moreover, high total organic carbon (TOC) content was source from bacteria, algae (n-alkanes), and euxinic depositional environments (Pr/Ph, Cu/Zn and U V Mo). In the stage of continuous carbon isotopes positive excursion, organic matter accumulated rapidly. A paleolake environment model has provided a better understanding of current global climate issues under global warming caused by increased carbon dioxide concentrations.
format	article
author	Daijun Fan Xuanlong Shan Yousif M. Makeen Wentong He Siyuan Su Yibo Wang Jian Yi Guoli Hao Yuting Zhao
author_facet	Daijun Fan Xuanlong Shan Yousif M. Makeen Wentong He Siyuan Su Yibo Wang Jian Yi Guoli Hao Yuting Zhao
author_sort	Daijun Fan
title	Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
title_short	Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
title_full	Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
title_fullStr	Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
title_full_unstemmed	Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China
title_sort	response of a continental fault basin to the global oae1a during the aptian: hongmiaozi basin, northeast china
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1062790175204ef4a8d71e23bd59df17
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Response of a continental fault basin to the global OAE1a during the Aptian: Hongmiaozi Basin, Northeast China

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