| Grove Mountains （GRV）99027： A new Martian meteorite |
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| 作者姓名： | LINYangting WANGDaode MIAOBingkui OUYANGZiyuan LIUXiaohan JUYitai |
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| 作者单位： | [1]GuangzhouInstituteofGeochemistry,ChineseAcademyofSciences（CAS）,Guangzhou510640,China [2]NationalAstronomicalObservatories,CAS,Beijing100012,China [3]InstituteofGeologyandGeophysics,CAS,Beijing100029,China |
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| 摘 要： | We report the petrography, mineral chemistry and oxygen isotopic composition of GRV 99027, a new Martian meteorite recently collected during the 16th Chinese Antarctic Research Expedition. This meteorite consists of two textural regions. The interstitial region is characterized by the presence of plagioclase and phosphate, and higher FeO contents of olivine and orthopyroxene, in comparison with the poikilitic region. All of the observations are similar to the three known Martian lherzolites. We classify GRV 99027 as the fourth sample of Martian lherzolite.
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| 关 键 词： | 矿石化学 同位素氧 GRV 99027 火星陨石 中国南极科研考察队 斜长岩 磷酸盐 橄榄石 |
| 收稿时间： | 2003-05-16 |
Grove Mountains (GRV) 99027: A new Martian meteorite |
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| LINYangting WANGDaode MIAOBingkui OUYANGZiyuan LIUXiaohan JUYitai.Grove Mountains (GRV) 99027: A new Martian meteorite[J].Chinese Science Bulletin,2003,48(16):1771-1774. |
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| Authors: | Email author" target="_blank">Lin?Yangting?Email author Wang?Daode Miao?Bingkui Ouyang?Ziyuan Liu?Xiaohan Ju?Yitai |
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| Institution: | (1) Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), 510640 Guangzhou, China;(2) Institute of Geology and Geophysics, CAS, 100029 Beijing, China;(3) National Astronomical Observatories, CAS, 100012 Beijing, China |
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| Abstract: | We report the petrography, mineral chemistry and oxygen isotopic composition of GRV 99027, a new Mar-tian meteorite recently collected during the 16th Chinese Antarctic Research Expedition. This meteorite consists of two textural regions. The interstitial region is characterized by the presence of plagioclase and phosphate, and higher FeO contents of olivine and orthopyroxene, in comparison with the poikilitic region. All of the observations are similar to the three known Martian lherzolites. We classify GRV 99027 as the fourth sample of Martian lherzolite. |
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| Keywords: | meteorite planet Mars lherzolite igneous texture |
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