| 迁安铁矿变形岩石的EBSD组构分析 |
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| 引用本文： | 崔玲玲,陈正乐,陈柏林,杨 农.迁安铁矿变形岩石的EBSD组构分析[J].岩石矿物学杂志,2010,29(4):387-396. |
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| 作者姓名： | 崔玲玲 陈正乐 陈柏林 杨 农 |
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| 作者单位： | 中国地质科学院,地质力学研究所,北京,100081 |
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| 基金项目： | 国家危机矿山办公室资助项目 |
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| 摘 要： | 迁安铁矿是我国大型沉积变质型铁矿之一,该矿区含矿变质岩系为前寒武纪老变质岩石,时代老,变质程度深,现存岩石的内部矿物发生过多次变形、变质和重结晶等变化,宏观上表现为该区岩石矿物组构的复杂性。为了更深入、清晰地了解该区变形岩石的组构,采用电子背散射衍射(EBSD)技术对该区岩石样品做了分析,通过EBSD系统的配套软件(HKL公司开发的Channel 5),对采集数据进行处理绘制成相应磁铁矿和石英的极图,经分析后重点总结出变形岩石内部石英的组构特点,由此进一步反映出本区构造变形时主要为中温-中高温的变形温度环境,少量组构图反映叠加了中低温变形。
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| 关 键 词： | EBSD技术 岩石组构 迁安铁矿 石英 |
An analysis of the fabric of deformed rock: the application of EBSD (electron backscatter diffraction) in the Qian'an iron mine |
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| CUI Ling_ling,CHEN Zheng_le,CHEN Bai_lin and YANG Nong.An analysis of the fabric of deformed rock: the application of EBSD (electron backscatter diffraction) in the Qian''an iron mine[J].Acta Petrologica Et Mineralogica,2010,29(4):387-396. |
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| Authors: | CUI Ling_ling CHEN Zheng_le CHEN Bai_lin and YANG Nong |
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| Institution: | CUI Ling-ling,CHEN Zheng-le,CHEN Bai-lin and YANG Nong(Institute of Geomechanics,Chinese Academy of Geosciences,Beijing 100081,China) |
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| Abstract: | The Qian'an iron mine is one of the large-sized metamorphic sedimentary iron mines in China.As the ore-bearing metamorphic rocks here are of Precambrian hypometamorphic ones,the minerals in the existent rocks have been deformed, metamorphosed and recrystallized several times,resulting in the extreme complexity of the rock microstructure.In order to have a better understanding of the fabric of the deformed rocks,the authors employed EBSD(electron backscatter diffraction) to analyze the samples in the study a... |
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| Keywords: | EBSD rock fabric Qian'an iron mine quartz |
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