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| Hydrogen isotope geochemistry of lherzolitic shergottite in Martian meteorite GRV99027 from the Grove Mountains in Antarctica | |
| 引用本文： | WANG Henian HSU Weibiao GUAN Yunbin LIANG Ying. Hydrogen isotope geochemistry of lherzolitic shergottite in Martian meteorite GRV99027 from the Grove Mountains in Antarctica[J]. 科学通报(英文版), 2006, 51(16): 2001-2005. DOI: 10.1007/s11434-006-2059-3 |
| 作者姓名： | WANG Henian HSU Weibiao GUAN Yunbin LIANG Ying |
| 作者单位： | [1]State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, Nanjing 210093, China [2]Laboratory for Astrochemistry and Planetary Sciences, Purple Mountain Observatory, Nanjing 210008, China [3]Department of Geological Sciences, Arizona State University, Tempe, Arizona 85287, USA |
| 基金项目： | Acknowledgements The authors thank the support and instruction from Prof. 0uyang Ziyuan, Wang Daode and Lin Yangting. This work was supported by the National Natural Science Foundation of China （Grand No. 40232026）, State Key Laboratory for Mineral Deposits Research of Nanjing University and National Polar Research Institute, State 0ceanic Administration of the People＇s Republic of China. |
| 摘 要： | Whether life vestige existed in Martian meteorites or not has provoked a hot tide toward Mars exploration. Among the other things, whether water existed in Marsor not again becomes a hot point of contemporary sci- entific exploration. Analyzing the hydrog… |
| 关 键 词： | 南极洲 火星 陨星 辉熔长石 氢同位素 离子显微探针 |
| 收稿时间： | 2006-02-23 |
| 修稿时间： | 2006-02-232006-05-25 |
Hydrogen isotope geochemistry of Iherzolitic shergottite in Martian meteorite GRV99027 from the Grove Mountains in Antarctica |
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| Henian Wang,Weibiao Hsu,Yunbin Guan,Ying Liang. Hydrogen isotope geochemistry of Iherzolitic shergottite in Martian meteorite GRV99027 from the Grove Mountains in Antarctica[J]. Chinese science bulletin, 2006, 51(16): 2001-2005. DOI: 10.1007/s11434-006-2059-3 | |
| Authors: | Henian Wang Weibiao Hsu Yunbin Guan Ying Liang |
| Affiliation: | (1) State Key Laboratory for Mineral Deposits Research, Department of Earth Sciences, Nanjing University, Nanjing, 210093, China;(2) Laboratory for Astrochemistry and Planetary Sciences, Purple Mountain Observatory, Nanjing, 210008, China;(3) Department of Geological Sciences, Arizona State University, Tempe, Arizona 85287, USA |
| Abstract: | Hydrogen isotopic composition was measured using an ion microprobe for Iherzolitic shergottite in Martian meteorite GRV 99027 from the Grove Mountains in Antarctica. The D/H ratios of phosphate whitlockites were analyzed and water concentrations of tested points were calculated. The result show that their δD values vary from +1300‰ to +4700‰, and water contents from 0.04 wt% to 0.43 wt%. Comparing the results with the hydrogen isotopic compositions of whole rock, hydrous minerals and phosphates in SNC meteorites indicates that water highly enriched in deuterium is a unique feature of Martian meteorites, especially the phosphates prominent. It is interpreted as the result of isotopic exchange between magmatic water and Martian crustal fluids. The high D/H ratios observed in GRV 99027 phosphates indicate that they have hydrogen isotopic compositions similar to those of apatite in other Martian meteorites. The results further confirmed the association of GRV 99027 with the Martian meteorite group. |
| Keywords: | Antarctica Martian meteorite lherzolitic shergottite hydrogen isotope ion microprobe. |
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