| 韧性剪切过程中的物质迁移及其成矿意义 |
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| 引用本文： | 黄震,徐晓春,岳书仓,谢巧勤,潘成荣.韧性剪切过程中的物质迁移及其成矿意义[J].合肥工业大学学报(自然科学版),2004,27(2):113-117. |
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| 作者姓名： | 黄震 徐晓春 岳书仓 谢巧勤 潘成荣 |
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| 作者单位： | 合肥工业大学,资源与环境工程学院,安徽,合肥,230009;合肥工业大学,资源与环境工程学院,安徽,合肥,230009;合肥工业大学,资源与环境工程学院,安徽,合肥,230009;合肥工业大学,资源与环境工程学院,安徽,合肥,230009;合肥工业大学,资源与环境工程学院,安徽,合肥,230009 |
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| 基金项目： | 九五"地质矿产部重大基础项目(9501102) |
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| 摘 要： | 老湾金矿床赋矿围岩是经历过多次韧脆性剪切改造作用的中元古界龟山组变质岩系,主要岩石类型为二云石英片岩和斜长角闪片岩。成矿作用发生于燕山晚期,此2类主要岩石类型在矿化后形成2类不同的矿石类型。文章选取矿区远离矿体的不同类型的赋矿围岩进行质量平衡的计算和分析,探讨了在成矿前的韧性剪切变形变质过程中物质的带出带入及其对成矿作用的物质贡献,结果表明,老湾金矿床的赋矿围岩在此过程中成矿物质即已伴随硅质和碱质的迁入而得到了富集。
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| 关 键 词： | 质量平衡 韧性剪切 赋矿围岩 成矿意义 老湾金矿床 河南桐柏 |
| 文章编号： | 1003-5060(2004)02-0113-05 |
| 修稿时间： | 2003年3月25日 |
Mass migration in ductilitic shear process and its ore-forming implications |
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| HUANG Zhen,XU Xiao-chun,YUE Shu-cang,XIE Qiao-qin,PAN Cheng-rong.Mass migration in ductilitic shear process and its ore-forming implications[J].Journal of Hefei University of Technology(Natural Science),2004,27(2):113-117. |
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| Authors: | HUANG Zhen XU Xiao-chun YUE Shu-cang XIE Qiao-qin PAN Cheng-rong |
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| Abstract: | The host wall-rocks of the Laowan gold deposit are metamorphic rock series of Middle Proterozoic Guishan Formation which had undergone multiple deformation and metamorphism of ductilitic-brittlitic shear. The main rock types are two-mica quartz schist and plagioclase amphibole schist. After ore-forming, the two types of rocks took place strong alteration and mineralization and formed two different ore types. In this paper, the migration and source of the metallogenic material are discussed based on the mass balance calculation and analysis of the two different host wall-rocks in the processes of ductilitic shear. And it is concluded that the metallogenic material of the host wall-rocks were enriched initially in ductilitic shear process. |
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| Keywords: | mass balance ductilitic shear host wall-rock ore-forming implication Laowan gold deposit Tongbai County in Henan Province |
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