| 赣南——粤北白垩纪火山杂岩微量元素特征及源区探讨 |
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| 引用本文： | 张树明,巫建华,周维勋.赣南——粤北白垩纪火山杂岩微量元素特征及源区探讨[J].江西地质,1999,13(2):93-99. |
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| 作者姓名： | 张树明 巫建华 周维勋 |
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| 作者单位： | 华东地质学院,江西,临川,344000 |
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| 摘 要： | 赣南－粤北白垩纪火山杂岩来自两个不同的岩浆源区，中、基性岩类源自幔源区，酸性岩类源自壳源区，两者互有影响，组成过渡性岩浆杂岩建造，它们具有各自不同的微量元素特征。本文在讨论两个不同岩浆源区火山杂岩微量元素、稀土元素特征的基础上，对它们的岩浆源区性质进行了探讨。
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| 关 键 词： | 白垩纪 火山杂岩 微量元素 稀土元素 岩浆源区性质 赣南--粤北 |
A DISUSSION ON TRACE ELEMENT CHARACTERISTICS AND SOURCE REGION OF CRETACEOUS VOLCANIC COMPLEX IN SOUTHERN JIANGXI-NORTHERN GUANGDONG |
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| ZHANG Shu-ming,WU Jian-hua,ZHOU Wei-xun.A DISUSSION ON TRACE ELEMENT CHARACTERISTICS AND SOURCE REGION OF CRETACEOUS VOLCANIC COMPLEX IN SOUTHERN JIANGXI-NORTHERN GUANGDONG[J].Jiangxi Geology,1999,13(2):93-99. |
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| Authors: | ZHANG Shu-ming WU Jian-hua ZHOU Wei-xun |
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| Abstract: | The Cretaceous volcanic complex in southern Jiangxi-northern Guangdong were derived from two different magma source regions :the mantle region from which the intermediate-basic rocks were derived and the crustal region that gave rise to the acid rocks. These two kinds of magma have been influenced by each other,forming a transitional magmatic complex formation. Volcanic complexes of the two different magma sources have different trace element characteristics. Based on a discussion of the trace element and rare earths characteristics, this paper sheds light on the properties of these two magma sources. |
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| Keywords: | Cretaceous volcanic complex trace element property of magma source region southern Jiangxi-northern Guangdong |
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