| 我国东部若干地区新生代玄武岩中长石巨晶的特征及成因 |
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| 引用本文： | 邱家骧,刘蒙华.我国东部若干地区新生代玄武岩中长石巨晶的特征及成因[J].矿物学报,1987(1). |
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| 作者姓名： | 邱家骧 刘蒙华 |
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| 作者单位： | 武汉地质学院
(邱家骧)，武汉地质学院(刘蒙华) |
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| 摘 要： | 本文汇集了中国东部新生代玄武岩中76个长石巨晶的化学成分,并与53个国外长石巨品进行了对比。文中对长石巨晶的产状、物理性质、矿物化学及微量元素进行了研究,并对国际上关于长石巨晶五个有争议的问题进行了讨论。作者同时也提出了自己的观点。
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| 关 键 词： | 玄武岩 长石巨晶 成因矿物学 |
THE CHARACTERISTICS AND ORIGIN OF FELDSPAR MEGACRYSTS IN CENOZOIC BASALTS FROM SOME LOCATIONS OF EAST CHINA |
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| Qiu Jiaxiang,Liu Menghua Wuhan College of Geology.THE CHARACTERISTICS AND ORIGIN OF FELDSPAR MEGACRYSTS IN CENOZOIC BASALTS FROM SOME LOCATIONS OF EAST CHINA[J].Acta Mineralogica Sinica,1987(1). |
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| Authors: | Qiu Jiaxiang Liu Menghua Wuhan College of Geology |
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| Institution: | Qiu Jiaxiang;Liu Menghua Wuhan College of Geology |
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| Abstract: | Presented in this paper are field and laboratory data on feldspar megacr-ysts in Cenozoic basalts from East China, including 76 wet chemical or electronmicroprobe analyses of feldspars, and these data are compared with those for53 feldspar megacrysts from abroad. The mode of occurrence, physical properties, mineralogical chemistry andtrace element distribution of feldspar megacrysts have been studied by variousapproaches. In the present paper are also presented authors' viewpoints on the originof feldspar megacrysts-a problem which has long been controverted amonggeologists both at home and abroad. |
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| Keywords: | basalt feldspar megacryst genetic mineralogy |
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