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| 胶东东部中生代中酸性花岗杂岩形成机理 | |
| 引用本文： | 孙景贵 刘春华. 胶东东部中生代中酸性花岗杂岩形成机理[J]. 高校地质学报, 1996, 2(2): 207-217 |
| 作者姓名： | 孙景贵 刘春华 |
| 作者单位： | 长春地质学院地球科学系 |
| 摘 要： | 出露在胶东东部地区的中生代中酸性花岗花岩，普遍含有大量的细粒闪长岩类包体，对主体岩石和包体岩石的地质学、岩相学、地球化学以及同位素等方面的综合研究，证实这些主岩是中生代壳幔分层熔融形成的同生壳源岩浆和幔泊岩浆发生混合作用形成混合岩浆，然后通过分离结晶作用形成花岗杂财的不同类型。 |
| 关 键 词： | 岩浆混合作用 分离结晶 花岗杂岩 中生代 胶东 |
GENETIC MECHANISM OF THE MESOZOIC INTERMEDIATE -ACIDIC GRANITIC COMPLEXES IN EASTERN JIAODONG AREA |
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| Sun Jinggui, Liu Chunhua, Zheng Changqing. GENETIC MECHANISM OF THE MESOZOIC INTERMEDIATE -ACIDIC GRANITIC COMPLEXES IN EASTERN JIAODONG AREA[J]. Geological Journal of China Universities, 1996, 2(2): 207-217 | |
| Authors: | Sun Jinggui Liu Chunhua Zheng Changqing |
| Abstract: | The Mesozoic intermediate - acidic granitic complexes exposed in eastern Jiaodong area, the eastern part of Shandong Peninsula, contain abundant inclusions of finegrained diorite. The Synthetical study on field geology, petrology, geochemistry and isotopic geology of the complexes and their inclusions suggests that they were syngenetic mantle-derived and crust--derived magmas formed by layering melting and then mixed together. During fractional crystallization, the migma produced the intermediate--acidic granitic complexes of different styles. |
| Keywords: | magma mixing fractional crystallization granitic complex Mesozoic eastern Jiaodong |
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