| Chemical compositions and cassfication of Grove Mountains （GRV） 98003 and other Chinese iron meteorites |
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| 引用本文： | 王道德,林杨挺.Chemical compositions and cassfication of Grove Mountains （GRV） 98003 and other Chinese iron meteorites[J].极地研究(英文版),2005,16(1):13-22. |
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| 作者姓名： | 王道德 林杨挺 |
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| 作者单位： | [1]Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640 [2]Institute of geology and Geophysics, Chinese Academy of Sciences, Beijing 100029 |
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| 基金项目： | Acknowledgements We are greatly indebted to professor John T. Wasson of the University of California, Los Angeles, for measurement of GRV 98003 and Ujimqin. The samples of GRV 98003 and Ujimqin were supplied by Polar Research Institute of China and Mr. Liu Jinyuan of the Dalian Museum of Natural History, respectively. This study is supported by the National Natural Science Foundation of China （ Grant No. 40232026）. |
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| 摘 要： | Concentrations of Cr, Co, Ni, Cu, Ga, Ge, As, Sb, W, Re, Ir, Pt and Au of two ungrouped iron meteorites, Grove Mountains （GRV） 98003 from Antarctica and Ujimqin, were measured using instrumental neutron activation analysis. According to the bulk chemistry, GRV 98003 is classified as a member of ⅠAB group, and Ujimqin as a unique one of ⅠAB iron meteorite complex. The elemental abundance pattern and correlation between elements （e. g. Ni-Au, Co-Au, As-Au, W- Au, Cu-Au, Sb-Au） of GRV 98003 are similar with those of NAW 468 （ⅠAB）, but significantly depleted in refractory siderophile elements （ Re, It） and moderate volatile elements （Ca, Ge） relative to the latter. In addition, we reclassify Nantan （ⅢCD） as a member of ⅠAB main group （MG） and Yongning （ⅠA） as a unique iron meteorite related with IAB iron meteorite complex.
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| 关 键 词： | 南极洲 陨星 微量元素 化合物 化学组团 环境化学 |
| 收稿时间： | 2005-01-22 |
Chemical compositions and cassfication of Grove Mountains (GRV) 98003 and other Chinese iron meteorites |
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| Wang Daode,Lin Yanting.Chemical compositions and cassfication of Grove Mountains (GRV) 98003 and other Chinese iron meteorites[J].Chinese Journal of Polar Science,2005,16(1):13-22. |
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| Authors: | Wang Daode Lin Yanting |
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| Abstract: | Concentrations of Cr, Co, Ni, Cu, Ga, Ge, As, Sb, W, Re, Ir, Pt and Au of two ungrouped iron meteorites, Grove Mountains (GRV) 98003 from Antarctica and Ujimqin, were measured using instrumental neutron activation analysis. According to the bulk chemistry, GRV 98003 is classified as a member of lAB group,and Ujimqin as a unique one of IAB iron meteorite complex. The elemental abundance pattern and correlation between elements (e. g. Ni-Au, Co-Au, As-Au, W-Au, Cu-Au, Sb-Au) of GRV 98003 are similar with those of NAW 468 (IAB), but significantly depleted in refractory siderophile elements (Re, It) and moderate volatile elements (Ga, Ge) relative to the latter. In addition, we reclassify Nantan (Ⅱ-ICD) as a member of IAB main group (MG) and Yongning (IA) as a unique iron meteorite related with IAB iron meteorite complex. |
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| Keywords: | Antarctica Grove Mountains classification iron meteorite trace elements INAA |
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