| MINERALOGICAL FEATURES OF ULTRAMAFICHYPOXENOLITHS IN ALKALI-RICH PORPHYRY |
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| 作者姓名： | LIUXianfan YANGZhengxi LIUJiaduo ZHANGChengjiang WUDechao LIYouguo |
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| 作者单位： | InstituteofEarthScience,ChengduUniversityofTechnology,ErxianqiaoDongsanRoad1#,Chengdu,SC610059,China |
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| 摘 要： | Ultramafic hypoxenoliths found in the alkali-rich porphyry in the Liuhe Village, Heqing, Yunnan, China, are of great significance in understanding the origin and evolution of the porphyry. This paper discusses the mineralogical features of the hypoxenoliths. It shows that the xenoliths are characterized by the upper mantle rocks modified to certain extent by the enriched mantle fluid metasomatism in the mantle environment, with the enriched mantle property of low-degree partial melting. This constitutes the important mineralogical evidence for the petrogenesis and mineralization of alkali-rich porphyry. Keywords: alkali-rich porphyry; deep-source xenoliths; enriched mantle; low-degree partial melting; mineralogical characteristics
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| 关 键 词： | 云南 鹤庆地区 富碱斑岩 超镁铁亚异晶体 矿物特征 岩石特性 黑云母 闪石 |
MINERALOGICAL FEATURES OF ULTRAMAFIC HYPOXENOLITHS IN ALKALI-RICH PORPHYRY |
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| LIUXianfan YANGZhengxi LIUJiaduo ZHANGChengjiang WUDechao LIYouguo.MINERALOGICAL FEATURES OF ULTRAMAFICHYPOXENOLITHS IN ALKALI-RICH PORPHYRY[J].Geotectonicaet Metallogenia,2003,27(1):81-90. |
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| Authors: | LIU Xianfan YANG Zhengxi LIU Jiaduo Zhang Chengjiang WU Dechao Li Youguo |
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| Abstract: | Ultramafic hypoxenoliths found in the alkali-rich porphyry in the Liuhe Village, Heqing, Yunnan,China, are of great significance in understanding the origin and evolution of the porphyry. This paper discusses the mineralogical features of the hypoxenoliths. It shows that the xenoliths are characterized by the upper mantle rocks modified to certain extent by the enriched mantle fluid metasomatism in the mantle environment, with the enriched mantle property of Iow-degree partial melting. This constitutes the important mineralogical evidence for the petrogenesis and mineralization of alkali-rich porphyry. |
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| Keywords: | alkali-rich porphyry deep-source xenoliths enriched mantle low-degree partial melting mineralogical characteristics |
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