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Natural occurrence of reidite in the Xiuyan crater of China
Chen, M; Yin, F; 李晓东;Li, XD; Xie, XD; Xiao, WS; Tan, DY
2013
发表期刊METEORITICS & PLANETARY SCIENCE
卷号48期号:5页码:796-805
摘要The high-pressure minerals of reidite and coesite have been identified in the moderately shock-metamorphosed gneiss (shock stage II, 3545GPa) and the strongly shock-metamorphosed gneiss (shock stage III, 4555GPa), respectively, from the polymict breccias of the Xiuyan crater, a simple impact structure 1.8km in diameter in China. Reidite in the shock stage II gneiss displays lamellar textures developed in parental grains of zircon. The phase transformation of zircon to reidite likely corresponds to a martensitic mechanism. No coesite is found in the reidite-bearing gneiss. The shock stage III gneiss contains abundant coesite, but no reidite is identified in the rock. Coesite occurs as acicular, dendritic, and spherulitic crystals characteristic of crystallization from shock-produced silica melt. Zircon in the rock is mostly recrystallized. The postshock temperature in the shock stage III gneiss is too high for the preservation of reidite, whereas reidite survives in the shock stage II gneiss because of relatively low postshock temperature. Reidite does not occur together with coesite because of difference in shock-induced temperature between the shock stage II gneiss and the shock stage III gneiss.
学科领域Geochemistry & Geophysics
DOI10.1111/maps.12106
收录类别SCI
WOS记录号WOS:000318877300007
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224064
专题多学科研究中心
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GB/T 7714
Chen, M,Yin, F,李晓东;Li, XD,et al. Natural occurrence of reidite in the Xiuyan crater of China[J]. METEORITICS & PLANETARY SCIENCE,2013,48(5):796-805.
APA Chen, M,Yin, F,李晓东;Li, XD,Xie, XD,Xiao, WS,&Tan, DY.(2013).Natural occurrence of reidite in the Xiuyan crater of China.METEORITICS & PLANETARY SCIENCE,48(5),796-805.
MLA Chen, M,et al."Natural occurrence of reidite in the Xiuyan crater of China".METEORITICS & PLANETARY SCIENCE 48.5(2013):796-805.
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