| 四川龙舟山玄武岩的岩石学特征及成因探讨 |
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| 引用本文： | 朱中一,刘杕.四川龙舟山玄武岩的岩石学特征及成因探讨[J].地球科学,1986(6). |
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| 作者姓名： | 朱中一 刘杕 |
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| 作者单位： | 武汉地质学院
(朱中一)，四川省地矿局攀西地质大队(刘杕) |
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| 摘 要： | 龙舟山玄武岩一直被认为是与P_2峨眉山玄武岩相当的溢流玄武岩。笔者的观察和研究表明:只有龙舟山玄武岩的上部才相当于P_2峨眉山玄武岩;下部则具有分期复杂的特点。本区玄武岩的演化具典型的板内裂谷玄武岩演化特点,玄武岩的演化同攀西裂谷的构造演化是一致的。
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| 关 键 词： | 四川省 龙舟山 玄武岩 黑色包体 角闪石巨晶 裂谷 |
CHARACTERISTICS AND DISSCUSION ON THE ORIGIN OF LONGZHOUSHAN BASALT IN SICHUAN PROVINCE |
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| Zhu Zhongyi.CHARACTERISTICS AND DISSCUSION ON THE ORIGIN OF LONGZHOUSHAN BASALT IN SICHUAN PROVINCE[J].Earth Science-Journal of China University of Geosciences,1986(6). |
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| Authors: | Zhu Zhongyi |
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| Abstract: | Longzhoushan basalt has always been regarded as the flood basalt that is the same as P2 Emeishan basalt. The writer's observations and research show that only the upper layer of Longzhoushan basalt is the same as P2 Emeishan basalt. The lower layer is characterized by complex stages The evolution of the basalt in this area is typical of the rift basalts within the plate. The evolution of basalt is consistent with the evolution of tectonics in the Panxi Rift. |
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| Keywords: | Sichuan province Longzhoushan basalt black nodules megacrysts of hornblend rift |
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