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Geochemistry of evaporitic deposits from the Cenomanian (Upper Cretaceous) Maha Sarakham Formation in the Khorat Basin, northeastern Thailand
Rattana, Pranot1,2; Choowong, Montri1; He, Mao-Yong3; Tan, Liangcheng3,4,5; Lan, Jianghu3,4,5; Bissen, Raphael6; Chawchai, Sakonvan1
Corresponding AuthorChawchai, Sakonvan(sakonvan.c@chula.ac.th)
2022-02-01
Source PublicationCRETACEOUS RESEARCH
ISSN0195-6671
Volume130Pages:12
AbstractThe Cenomanian (Upper Cretaceous) Maha Sarakham Formation of the Khorat Basin, northeasternThailand consists of three evaporite units (Lower, Middle and Upper Salt) interbedded with clasticsediments and exhibits abundant deposits of potash. Although numerous studies have been carried outon the Khorat potash deposit, results are still equivocal with regard to the origin of the rock salt, whetherit was marine or non-marine (hydrothermal and/or mixedfluids). The purpose of this study is to examinethe origin of rock salt based on elemental compositions and boron isotope analyses in the southwesternpart of the Khorat Basin. A stratigraphic correlation offive boreholes (K-201e205) located in BamnetNarong and Chaturat districts, Chaiyaphum province, Thailand, revealed a salt dome structure. Theelemental composition andd11B values in the longest borehole K-203 indicate a precipitation of haliteand carnallite from seawater. Rare earth elements (REE) of claystone and siltstone fromfive boreholes (K-201e205) are comparable to the REE of sandstone from the Simao Basin in China, which suggest asimilar provenance. Stratigraphic comparisons and geochemical signatures are important for a betterunderstanding of the recharge models of paleoseawater. In agreement with some previous studies, weconclude that the Cenomanian evaporites within the Khorat Basin are marine deposits. (c) 2021 Elsevier Ltd. All rights reserved
KeywordCretaceous Maha Sarakham Formation Potash deposits Salt dome Boron isotope Khorat Basin
DOI10.1016/j.cretres.2021.104986
WOS KeywordPOTASH DEPOSITS ; ISOTOPIC COMPOSITION ; SIMAO BASIN ; INDO-CHINA ; PLATEAU ; ORIGIN ; SEDIMENT ; MARINE ; HALITE ; RECONSTRUCTION
Indexed BySCI ; SCI
Language英语
WOS Research AreaGeology ; Paleontology
WOS SubjectGeology ; Paleontology
WOS IDWOS:000713025300001
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/17205
Collection加速器质谱中心
现代环境研究室
Corresponding AuthorChawchai, Sakonvan
Affiliation1.Chulalongkorn Univ, Fac Sci, Dept Geol, Morphol Earth Surface & Adv Geohazards Southeast, Bangkok 10330, Thailand
2.Minist Nat Resources & Environm, Dept Mineral Resources, Bangkok 10400, Thailand
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
5.CAS HEC, China Pakistan Joint Res Ctr Earth Sci, Islamabad 45320, Pakistan
6.Chulalongkorn Univ, Fac Engn, Dept Min & Petr Engn, Bangkok 10330, Thailand
Recommended Citation
GB/T 7714
Rattana, Pranot,Choowong, Montri,He, Mao-Yong,et al. Geochemistry of evaporitic deposits from the Cenomanian (Upper Cretaceous) Maha Sarakham Formation in the Khorat Basin, northeastern Thailand[J]. CRETACEOUS RESEARCH,2022,130:12.
APA Rattana, Pranot.,Choowong, Montri.,He, Mao-Yong.,Tan, Liangcheng.,Lan, Jianghu.,...&Chawchai, Sakonvan.(2022).Geochemistry of evaporitic deposits from the Cenomanian (Upper Cretaceous) Maha Sarakham Formation in the Khorat Basin, northeastern Thailand.CRETACEOUS RESEARCH,130,12.
MLA Rattana, Pranot,et al."Geochemistry of evaporitic deposits from the Cenomanian (Upper Cretaceous) Maha Sarakham Formation in the Khorat Basin, northeastern Thailand".CRETACEOUS RESEARCH 130(2022):12.
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