Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China

Abstract Major, trace and rare earth element (REE) geochemistry of the late Cretaceous lower Zhoutian Formation from the Jitai Basin of Southeast China were measured by inductively coupled plasma mass spectrometry (ICP-MS) analysis to infer the provenance of the sediments and to reconstruct the pala...

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Autores principales:	Kai Yan, Chun-lian Wang, Steffen Mischke, Jiu-yi Wang, Li-jian Shen, Xiao-can Yu, Ling-yang Meng
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/857c22033b304024a3c98ef07cfadefd
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spelling	oai:doaj.org-article:857c22033b304024a3c98ef07cfadefd2021-12-02T15:39:40ZMajor and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China10.1038/s41598-021-93125-82045-2322https://doaj.org/article/857c22033b304024a3c98ef07cfadefd2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93125-8https://doaj.org/toc/2045-2322Abstract Major, trace and rare earth element (REE) geochemistry of the late Cretaceous lower Zhoutian Formation from the Jitai Basin of Southeast China were measured by inductively coupled plasma mass spectrometry (ICP-MS) analysis to infer the provenance of the sediments and to reconstruct the palaeoenvironment and palaeoclimate. The wide range of Sr/Cu ratios point to a fluctuating palaeoclimate, and the negative correlation between the FeO/MnO and Al2O3/MgO ratios and the Sr/Cu ratio indicates that the late Cretaceous climate during the lower Zhoutian Formation in the Jitai Basin can be divided into two parts. The lower part experienced two cooling periods, whilst the upper part was dominated by warm-humid climate. Mostly corresponding trends of the B/Ga, Sr/Ba and Sr/Cu ratios show that the salinity changed consistently with the late Cretaceous climate during the lower Zhoutian Formation in the Jitai Basin. During the lower part, the salinity changed from salt water to fresh/brackish water. In the upper part, water was mainly fresh/brackish, and there were many changes from fresh/brackish water to salt water. The relatively stable Ni/Co, V/Cr, V/(V + Ni) and Ce/Ce* data indicate a long period of oxic conditions. The La-Th-Sc, Th-Sc-Zr/10 and La/Th-Hf data of the silt- and sandstones of the lower Zhoutian Formation show that its provenance was mainly a mixture of felsic upper crust sediments and older sedimentary rocks.Kai YanChun-lian WangSteffen MischkeJiu-yi WangLi-jian ShenXiao-can YuLing-yang MengNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kai Yan Chun-lian Wang Steffen Mischke Jiu-yi Wang Li-jian Shen Xiao-can Yu Ling-yang Meng Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
description	Abstract Major, trace and rare earth element (REE) geochemistry of the late Cretaceous lower Zhoutian Formation from the Jitai Basin of Southeast China were measured by inductively coupled plasma mass spectrometry (ICP-MS) analysis to infer the provenance of the sediments and to reconstruct the palaeoenvironment and palaeoclimate. The wide range of Sr/Cu ratios point to a fluctuating palaeoclimate, and the negative correlation between the FeO/MnO and Al2O3/MgO ratios and the Sr/Cu ratio indicates that the late Cretaceous climate during the lower Zhoutian Formation in the Jitai Basin can be divided into two parts. The lower part experienced two cooling periods, whilst the upper part was dominated by warm-humid climate. Mostly corresponding trends of the B/Ga, Sr/Ba and Sr/Cu ratios show that the salinity changed consistently with the late Cretaceous climate during the lower Zhoutian Formation in the Jitai Basin. During the lower part, the salinity changed from salt water to fresh/brackish water. In the upper part, water was mainly fresh/brackish, and there were many changes from fresh/brackish water to salt water. The relatively stable Ni/Co, V/Cr, V/(V + Ni) and Ce/Ce* data indicate a long period of oxic conditions. The La-Th-Sc, Th-Sc-Zr/10 and La/Th-Hf data of the silt- and sandstones of the lower Zhoutian Formation show that its provenance was mainly a mixture of felsic upper crust sediments and older sedimentary rocks.
format	article
author	Kai Yan Chun-lian Wang Steffen Mischke Jiu-yi Wang Li-jian Shen Xiao-can Yu Ling-yang Meng
author_facet	Kai Yan Chun-lian Wang Steffen Mischke Jiu-yi Wang Li-jian Shen Xiao-can Yu Ling-yang Meng
author_sort	Kai Yan
title	Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
title_short	Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
title_full	Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
title_fullStr	Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
title_full_unstemmed	Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China
title_sort	major and trace-element geochemistry of late cretaceous clastic rocks in the jitai basin, southeast china
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/857c22033b304024a3c98ef07cfadefd
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Major and trace-element geochemistry of Late Cretaceous clastic rocks in the Jitai Basin, southeast China

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