| 辽南早元古宙变质热液型金矿床成矿机理探讨 |
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| 引用本文： | 戴立军,樊秉鸿.辽南早元古宙变质热液型金矿床成矿机理探讨[J].国土资源,1990(2). |
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| 作者姓名： | 戴立军 樊秉鸿 |
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| 作者单位： | 冶金部天津地质研究院，冶金部天津地质研究院 |
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| 摘 要： | 辽南早元古宙辽河群变质岩系中的金矿床为变质热液成因金矿床,矿床的形成与吕梁期变质变形作用关系密切。金矿化带的展布与金矿体的产出受韧性剪切带控制。剪切带内岩石具有明显的动态性组构特征,直接赋矿围岩为辽河群盖县组糜棱岩化千枚岩、变砂岩及云母石英糜棱岩等。韧性剪切带为含矿流体的运移提供通道。作者定义这类金矿床为变质热液型含金剪切带金矿床。
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| 关 键 词： | 早元古宙 辽河群 韧性剪切带 变质热液型金矿床 |
DISCUSSION ON THE METALLOGENIC MECHANISM OF META-HYDROTHERMAL GOLD DEPOSITS IN THE EARLY PROTEROZOIC OF SOUTHERN LIAONING |
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| Dai Lijun Fan Binghong.DISCUSSION ON THE METALLOGENIC MECHANISM OF META-HYDROTHERMAL GOLD DEPOSITS IN THE EARLY PROTEROZOIC OF SOUTHERN LIAONING[J].Land & Resources,1990(2). |
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| Authors: | Dai Lijun Fan Binghong |
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| Abstract: | The gold deposit in metamorphic rocks of Liaohe Group of the Early Prole rozoic in southern Liaoning was considered as meta-hydrothermal one. Its forming had a close relation to metamorphism of Luliang cycle.The distribution of gold mineralization and occurrence of gold body were controlled by ductile shear zone, in which rocks exhibited dynamic fabric nature (SmFmLm) and the ore-bearing wall rocks were mylonitzed phyllite, meta-sandstone and mica-quartz-mylonites of Gaixian Fm. of Liaohe Group. The ductile shear zone was responsible for the path of ore-forming fluid. It was proposed that the gold deposit was metahydrothermal gold-bearing shear zone. |
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| Keywords: | The Early Proterozoic Liaohe Group Ductile shear zone Hydrothermal gold deposit |
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