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MINERALOGICAL FEATURES OF ULTRAMAFIC HYPOXENOLITHS IN ALKALI-RICH PORPHYRY 被引量:2
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作者 liu Xianfan YANG Zhengxi +3 位作者 liu jiaduo ZHANG Chengjiang WU Dechao LI Youguo 《Geotectonica et Metallogenia》 2003年第1期81-90,共10页
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 min... 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. 展开更多
关键词 alkali-rich porphyry deep-source xenoliths enriched mantle low-degree partial melting mineralogical characteristics
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