The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile

Abstract Bromine contents of a 17-cm halite core from drilling hole of K203 in the Khorat Basin were analysed at 1 cm intervals (17 samples in total). The Br contents range from 99 to 184 ppm with a rapid variation. The K/Mg ratios of halite samples are tens of times higher than those of primary hal...

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Autores principales:	Lijian Shen, Nuchit Siritongkham, Licheng Wang, Chenglin Liu, Anont Nontaso, Wanitchaya Khadsri, Yufei Hu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/33079c37fedf4f5f9077e97fe48d3354
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spelling	oai:doaj.org-article:33079c37fedf4f5f9077e97fe48d33542021-12-02T18:27:46ZThe brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile10.1038/s41598-021-88037-62045-2322https://doaj.org/article/33079c37fedf4f5f9077e97fe48d33542021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88037-6https://doaj.org/toc/2045-2322Abstract Bromine contents of a 17-cm halite core from drilling hole of K203 in the Khorat Basin were analysed at 1 cm intervals (17 samples in total). The Br contents range from 99 to 184 ppm with a rapid variation. The K/Mg ratios of halite samples are tens of times higher than those of primary halite fluid inclusions. There is no positive correlation between Mg and Br contents, suggesting that fluid inclusions impose very little or negligible influence on Br contents of halites. The Br contents are not controlled by potash minerals either because the SEM examination shows no potash minerals and there is no relationship between K and Br contents. The Br contents of halite are thus primarily controlled by the Br concentrations of parent brines. The rapid variation of Br contents of halite within this section suggests a shallow saline pan wherein the giant Khorat evaporites were formed. This is contradictory to previous Br profiles of the Lower Salt Member which showed relatively stable and continuously increasing trends. The shallow saline pan model evidenced by high-resolution Br profile is consistent with sedimentary facies and salt mineral textures.Lijian ShenNuchit SiritongkhamLicheng WangChenglin LiuAnont NontasoWanitchaya KhadsriYufei HuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lijian Shen Nuchit Siritongkham Licheng Wang Chenglin Liu Anont Nontaso Wanitchaya Khadsri Yufei Hu The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
description	Abstract Bromine contents of a 17-cm halite core from drilling hole of K203 in the Khorat Basin were analysed at 1 cm intervals (17 samples in total). The Br contents range from 99 to 184 ppm with a rapid variation. The K/Mg ratios of halite samples are tens of times higher than those of primary halite fluid inclusions. There is no positive correlation between Mg and Br contents, suggesting that fluid inclusions impose very little or negligible influence on Br contents of halites. The Br contents are not controlled by potash minerals either because the SEM examination shows no potash minerals and there is no relationship between K and Br contents. The Br contents of halite are thus primarily controlled by the Br concentrations of parent brines. The rapid variation of Br contents of halite within this section suggests a shallow saline pan wherein the giant Khorat evaporites were formed. This is contradictory to previous Br profiles of the Lower Salt Member which showed relatively stable and continuously increasing trends. The shallow saline pan model evidenced by high-resolution Br profile is consistent with sedimentary facies and salt mineral textures.
format	article
author	Lijian Shen Nuchit Siritongkham Licheng Wang Chenglin Liu Anont Nontaso Wanitchaya Khadsri Yufei Hu
author_facet	Lijian Shen Nuchit Siritongkham Licheng Wang Chenglin Liu Anont Nontaso Wanitchaya Khadsri Yufei Hu
author_sort	Lijian Shen
title	The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
title_short	The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
title_full	The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
title_fullStr	The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
title_full_unstemmed	The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile
title_sort	brine depth of the khorat basin in thailand as indicated by high-resolution br profile
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/33079c37fedf4f5f9077e97fe48d3354
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The brine depth of the Khorat Basin in Thailand as indicated by high-resolution Br profile

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