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The high-pressure structure of kaersutite and its geological importance.
Zhu, XP; Qin, S; Han, BF; Liu, J; Li, XD; Wu, X; Wu, ZH; Liu J(刘景); Li XD(李晓东); Wu X(巫翔); Wu ZH(吴忠华)
2004
Source PublicationACTA PETROLOGICA SINICA
Volume20Issue:6Pages:1456-1460
Corresponding AuthorPeking Univ, Dept Geol, MOE, Beijing 100871, Peoples R China ; Peking Univ, Key Lab Orogen Belts & Crustal Evolut, MOE, Beijing 100871, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Lab Synchrotron Radiat, Beijing 100039, Peoples R China
SubtypeArticle
AbstractThe in-situ high-pressure structure of natural kaersutite, obtained from the mantle xenolith in alkali basalt of southwestern Tianshan in Xinjiang, has been studied using synchrotron radiation energy dispersive X-ray diffraction and diamond anvil cell at the pressures up to 25.4 GPa. At room temperature, the lattice constants a, b, c of kaersutite are compressed continuously with increasing pressure and at the pressure of 18.9 GPa, a phase transition occurs probably due to the dehydration. Considering the geological occurrence of kaersutite, the experimental results indicate that kaersutite could be stable with rather a depth in the upper mantle, and it must be a rapid process when kaersutite is brought to the earth's surface. In addition, this research would be potentially helpful for the understanding of high-pressure behaviors of other Ti-bearing minerals.
Keywordkaersutite high-pressure structure synchrotron radiation
Subject AreaGeology
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Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000226179100015
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/239361
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Zhu, XP,Qin, S,Han, BF,et al. The high-pressure structure of kaersutite and its geological importance.[J]. ACTA PETROLOGICA SINICA,2004,20(6):1456-1460.
APA Zhu, XP.,Qin, S.,Han, BF.,Liu, J.,Li, XD.,...&吴忠华.(2004).The high-pressure structure of kaersutite and its geological importance..ACTA PETROLOGICA SINICA,20(6),1456-1460.
MLA Zhu, XP,et al."The high-pressure structure of kaersutite and its geological importance.".ACTA PETROLOGICA SINICA 20.6(2004):1456-1460.
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