| 王杰亭,刘争,赵海玲.湖南宝山花岗闪长质岩石混合成因证据探讨[J].地质找矿论丛,2017,32(4):604-611 |
| 湖南宝山花岗闪长质岩石混合成因证据探讨 |
| Discussion on the evidence of magma mixing of granodiorite in the Baoshan area, Hunan Province |
| 投稿时间：2016-04-25 修订日期：2016-10-08 |
| DOI：10.6053/j.issn.1001-1412.2017.04.011 |
| 中文关键词: 宝山铅锌银矿床 花岗闪长岩 不平衡结构 壳幔混合成因 湖南省 |
| 英文关键词:Baoshan Pb, Zn, Ag deposit granodiorit disequilibrium mineral textures genesis of mixing of mantle and crust Hunan province |
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| 中文摘要: |
| 通过对湖南宝山花岗闪长质岩石岩相学特征研究，发现存在较多矿物不平衡结构，如富Ca的斜长石熔蚀核，黑云母、石英嵌晶结构，暗色镶边的眼球状石英，针状磷灰石、辉石、黑云母共存等现象，表明宝山花岗闪长质岩石为基性岩浆与酸性岩浆的混合成因；主微量元素分析结果进一步证实了岩体属于混合成因的观点。该结论为壳幔相互作用提供了岩石学依据。 |
| 英文摘要: |
| Study on the petrography of granodiorite in the Baoshan area, Hunan Province shows that a lot of disequilibrium mineral textures, such as corroded plagioclase core, poikilitic quartz and biotite, quartz augen with black rim, coexisted needle apatite, pyoxene and biotite and so on occur in the rock. The texture means that the granodiorite is formed by mixing of mantle basic and crust acidic magma and the analysis of the major and trace elements also affirms the genesis providing petrological evidence for the interaction of mantle and crust. |
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