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Petrology and mineral chemistry of new ureilites found in Grove Mountains, Antarctica
Miao, Bingkui1,2; Lin, Yangting2; Wang, Guiqin3; Wang, Daode3; Ouyang, Ziyuan4
2008-04-10
发表期刊PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
卷号18期号:4页码:431-439
摘要Petrography and mineral chemistry of two new ureilites, GRV 021512 and 022931, from the Grove Mountains, Antarctica, are reported in this paper. GRV 021512 exhibits a typical ureilite texture, and consists of 48.3% olivine, 9.4% pigeonite and 38.1% carbonaceous interstitial material and/or reduction product. GRV 022931 has a cataclastic porphyritic texture, and consists of 19.1% olivine and 14.1% pigeonite embedded in 66.3% carbonaceous interstitial material and/or reduction product. The coarse-grained olivine and pigeonite in both meteorites have homogeneous cores, and they are FeO-rich within the range of the ferroan subgroup (subgroup I) of olivine-pigeonite ureilites. All olivine grains of the meteorites show reduction zones along boundaries and cracks. Abundant diamond coexists with graphite as graphite-rich patches and veins in the carbonaceous interstitial material. Petrogenesis of both meteorites and the origin of diamond are discussed. (C) 2007 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
关键词Meteorite Achondrite Ureilite Diamond Antarctica
DOI10.1016/j.pnsc.2007.10.009
收录类别SCI
语种英语
WOS记录号WOS:000255287800009
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8334
专题院士
作者单位1.Guilin Univ Technol, Ctr Guangxi Prov, Key Lab Geol Engn, Guilin 541004, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Isotope Geochronol & Geochem, Guangzhou 510640, Peoples R China
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Miao, Bingkui,Lin, Yangting,Wang, Guiqin,et al. Petrology and mineral chemistry of new ureilites found in Grove Mountains, Antarctica[J]. PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,2008,18(4):431-439.
APA Miao, Bingkui,Lin, Yangting,Wang, Guiqin,Wang, Daode,&Ouyang, Ziyuan.(2008).Petrology and mineral chemistry of new ureilites found in Grove Mountains, Antarctica.PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,18(4),431-439.
MLA Miao, Bingkui,et al."Petrology and mineral chemistry of new ureilites found in Grove Mountains, Antarctica".PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL 18.4(2008):431-439.
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