| 云南剑川粗面斑岩-正长岩杂岩体的岩石学特征 |
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| 引用本文： | 张丛森,赵崇贺.云南剑川粗面斑岩-正长岩杂岩体的岩石学特征[J].资源调查与环境,1992(2). |
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| 作者姓名： | 张丛森 赵崇贺 |
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| 作者单位： | 南京地质矿产研究所，中国地质大学 北京 |
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| 摘 要： | 分布在剑川县城西侧的一系列碱性浅成斑岩-深成岩体,不是彼此孤立而是一个具有成因联系的杂岩体.该杂岩体可分为四次岩浆侵入,其中第Ⅱ次剑川粗面斑岩并不是过去认为的粗面岩,而是一个超浅成侵入体,从中心到边部可分为两个岩相带,岩石以碱性系列为主,岩浆是深熔作用形成的.
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| 关 键 词： | 粗面斑岩 正长岩 岩石学 云南剑川 |
THE PETROGRAPHIC CHARACTERISTICS OF TRACHYTE PORPHYRY-SYENITE COMPLEX IN JIANCHUAN COUNTY, YUNNAN PROV |
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| Zhang Congshen Zhao Chonghe.THE PETROGRAPHIC CHARACTERISTICS OF TRACHYTE PORPHYRY-SYENITE COMPLEX IN JIANCHUAN COUNTY, YUNNAN PROV[J].Resources Survey & Environment,1992(2). |
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| Authors: | Zhang Congshen Zhao Chonghe |
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| Abstract: | Based on study of petrography, the series of hypabyssal porphyry bodies located on west Jianchuan County,Yunnan Province, is considered as the same complex, instead of isolated parts. Four times of magmatism can be distingushed in this complex. Trachytic porphry formed in second time is a ultra-hypabyssal body, instead of trachvte as before. Two lithofacies can be divided from center to side. The rocks mainly belong to alkalic series. Magma is produced by higher degree melting. |
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| Keywords: | Trachyte porphyry Syenite Petrography Jianchuan |
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