IGGCAS OpenIR  > 油气资源研究院重点实验室
Early dolomitization and recrystallization of the Lower-Middle Ordovician carbonates in western Tarim Basin (NW China)
Guo, Chuan1,2; Chen, Daizhao2,3,4; Qing, Hairuo5; Zhou, Xiqiang2; Ding, Yi2
2020
Source PublicationMARINE AND PETROLEUM GEOLOGY
ISSN0264-8172
Volume111Pages:332-349
AbstractThe Lower-Middle Ordovician shallow-marine carbonates in western Tarim Basin were dolomitized to different degrees. The resultant dolomites are mainly concentrated in the successions of platform interior to shallow subtidal shoal, and display an upward decrease in abundance. Based on petrographic textures, three types of matrix dolomites were identified: (1) very finely to finely crystalline, nonplanar-a to planar-s dolomite (Md1), (2) finely to medium crystalline, planar-e(s) dolomite (Md2), and (3) finely to coarsely crystalline, nonplanar-a dolomite (Md3). Origins of matrix dolomites are interpreted on the basis of field investigation, petrography and isotopic (O, C and Sr) geochemistry. Md1 dolomite was formed from slightly evaporated (i.e., mesosaline to penesaline) seawater in near-surface to very shallow burial settings, possibly facilitated by microbial mediation (i.e., bacterial sulphate reduction; BSR). Md2 dolomite was precipitated from connate seawater stored in coeval limestone in shallow burial realms. In contrast, Md3 dolomite was likely formed as a consequence of intense recrystallization of early-formed dolomites (e.g., Md1) at depths. The formation of early matrix dolomites (i.e., Md1) was likely determined by depositional facies and sea-level variations of variable orders. This study provides a useful analogue to understand the dolomitization processes related to depositional facies and variable-order sea-level fluctuations in the Tarim Basin and elsewhere.
KeywordTarim Basin Lower-Middle Ordovician Early dolomitization Recrystallization Geochemistry
DOI10.1016/j.marpetgeo.2019.08.017
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province
WOS KeywordCRETACEOUS PLATFORM CARBONATES ; TRIASSIC FEIXIANGUAN FORMATION ; SULFATE-REDUCING BACTERIA ; BOAT HARBOR FORMATION ; UPPER-KNOX GROUP ; DOLOMITE FORMATION ; HYDROTHERMAL ALTERATION ; REFLUX DOLOMITIZATION ; ISOTOPE GEOCHEMISTRY ; MICROBIAL MEDIATION
Language英语
Funding ProjectNational Natural Science Foundation of China[U1663209] ; National Key R&D Program of China[2017YFC0603103] ; Talent Project of Guizhou University[(2018)31] ; Talent Base Project of Guizhou Province[RCJD2018-21] ; Science and Technology Planning Project of Guizhou Province[[2017] 5788]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Project of Guizhou University ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Talent Base Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province ; Science and Technology Planning Project of Guizhou Province
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000498747300022
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95782
Collection油气资源研究院重点实验室
Corresponding AuthorChen, Daizhao
Affiliation1.Guizhou Univ, Coll Resource & Environm Engn, Guiyang 550025, Guizhou, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Univ Regina, Dept Geol, Regina, SK S4S 0A2, Canada
First Author AffilicationKey Laboratory of Petroleum Resource Research, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Petroleum Resource Research, Chinese Academy of Sciences;  Institute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Guo, Chuan,Chen, Daizhao,Qing, Hairuo,et al. Early dolomitization and recrystallization of the Lower-Middle Ordovician carbonates in western Tarim Basin (NW China)[J]. MARINE AND PETROLEUM GEOLOGY,2020,111:332-349.
APA Guo, Chuan,Chen, Daizhao,Qing, Hairuo,Zhou, Xiqiang,&Ding, Yi.(2020).Early dolomitization and recrystallization of the Lower-Middle Ordovician carbonates in western Tarim Basin (NW China).MARINE AND PETROLEUM GEOLOGY,111,332-349.
MLA Guo, Chuan,et al."Early dolomitization and recrystallization of the Lower-Middle Ordovician carbonates in western Tarim Basin (NW China)".MARINE AND PETROLEUM GEOLOGY 111(2020):332-349.
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