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Intense silicification of Ordovician carbonates in the Tarim Basin: Constraints from fluid inclusion Rb-Sr isotope dating and geochemistry of quartz
Dong, Shaofeng1,2; You, Donghua3; Guo, Zenghui1; Guo, Chuan1; Chen, Daizhao1,4
2018-12-01
发表期刊TERRA NOVA
ISSN0954-4879
卷号30期号:6页码:406-413
摘要An unconventional porous silicified carbonate reservoir was unveiled in the Middle Ordovician fractured limestone within a strike-slip fault zone in the Tarim Basin, NW China. The silicified carbonates are mainly composed of fine- to medium-crystalline fascicular quartz matrix and coarse crystalline bladed to columnar quartz cement. Fluid inclusion leachate-residue paired Rb-Sr isotopic dating of the quartz cement yields an isochron age of 167 +/- 15 Ma, attesting to a causal link to the Jurassic (Yanshanian) orogeny. Pervasive replacement of matrix quartz and subsequent precipitation of cement quartz through nonisothermal effervescence probably induced by episodic influxes of the hot silica- and Sr-87-rich basinal brines from the neighbouring deeper Manjiaer depression. This study thus signifies the usefulness of using Rb-Sr isotope dating method in constraining the timing of carbonate alteration, enabling to establish the deterministic relationship of basinal fluid evolution with the major tectonic activity.
DOI10.1111/ter.12356
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project
关键词[WOS]PALEO-TETHYS OCEAN ; NORTHERN TIBET IMPLICATIONS ; SM-ND ; TECTONIC EVOLUTION ; UNITED-STATES ; OZARK REGION ; NW CHINA ; DEPOSITS ; AGE ; SYSTEMATICS
语种英语
资助项目National Natural Science Foundation of China[41] ; National Natural Science Foundation of China[502] ; National Natural Science Foundation of China[118] ; National Natural Science Foundation of China[U1663209] ; National Key Basic Research Project[2012CB214802]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Key Basic Research Project ; National Key Basic Research Project
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000450074400004
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89454
专题油气资源研究院重点实验室
通讯作者Chen, Daizhao
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resources Res, Beijing, Peoples R China
2.SINOPEC, Wuxi Res Inst Petr Geol, Wuxi, Jiangsu, Peoples R China
3.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing, Jiangsu, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
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GB/T 7714
Dong, Shaofeng,You, Donghua,Guo, Zenghui,et al. Intense silicification of Ordovician carbonates in the Tarim Basin: Constraints from fluid inclusion Rb-Sr isotope dating and geochemistry of quartz[J]. TERRA NOVA,2018,30(6):406-413.
APA Dong, Shaofeng,You, Donghua,Guo, Zenghui,Guo, Chuan,&Chen, Daizhao.(2018).Intense silicification of Ordovician carbonates in the Tarim Basin: Constraints from fluid inclusion Rb-Sr isotope dating and geochemistry of quartz.TERRA NOVA,30(6),406-413.
MLA Dong, Shaofeng,et al."Intense silicification of Ordovician carbonates in the Tarim Basin: Constraints from fluid inclusion Rb-Sr isotope dating and geochemistry of quartz".TERRA NOVA 30.6(2018):406-413.
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