| 电子探针中的Map图在矿物出溶体中的应用--以石榴石橄榄岩中橄榄石的矿物出溶体为例 |
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| 引用本文： | 赵文霞,胡育贤,廖成竹,江丹,李雪梅,杜金菊. 电子探针中的Map图在矿物出溶体中的应用--以石榴石橄榄岩中橄榄石的矿物出溶体为例[J]. 中山大学学报(自然科学版), 2004, 43(5): 95-97 |
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| 作者姓名： | 赵文霞 胡育贤 廖成竹 江丹 李雪梅 杜金菊 |
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| 作者单位： | 中山大学测试中心,广东,广州,510275 |
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| 基金项目： | 国家自然科学基金，中山大学校科研和教改项目 |
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| 摘 要： | 以中国苏鲁石榴石橄榄岩和瑞士Arami石榴石橄榄岩的橄榄石中针状出溶体的研究为例,运用电子探针中的Map分析技术,很好地解决了图像与成分的对应性问题,使得测试结果真实、可信.为矿物出溶体的研究提供了新的思路.
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| 关 键 词： | 矿物出溶体 Map图 石榴石橄榄岩 橄榄石 |
| 文章编号： | 0529-6579(2004)05-0095-03 |
| 修稿时间： | 2003-12-03 |
Application of Map of EPMA to Mineral Exsolution-An Example of the Mineral Exsolution in Olivine of Garnet Peridotite |
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| ZHAO Wen-xia,HU Yu-xian,LIAO Cheng-zhu,JIANG Dan,LI Xue-mei,DU Jin-ju. Application of Map of EPMA to Mineral Exsolution-An Example of the Mineral Exsolution in Olivine of Garnet Peridotite[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2004, 43(5): 95-97 |
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| Authors: | ZHAO Wen-xia HU Yu-xian LIAO Cheng-zhu JIANG Dan LI Xue-mei DU Jin-ju |
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| Abstract: | The mineral exsolution in olivine of garnet peridotite from the Sulu area, China and the Arami area, Switzerland, were studied by map analysis in eletronic probe microanalysis(EPMA). Because distinctive gray scale on EPMA diagram can reflect the difference of elemental contents in a mineral, it is probable to distinguish the exsolution from host mineral. The problem of the image in correspondence with their composition has been solved and the mineral exsolution phase can be recognized by map analysis. The result shows that the mineral exsolution in olivine from Sulu is Ti-bearing magnetite, and the mineral exsolution in olivine from in the Arami is ilmenite. The determination of mineral exsolutions in the olivines infers that these garnet peridotites are most likely derived from mantle transition zone of over 300 km deep. |
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| Keywords: | EPMA |
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