| 京西潭柘寺东山红庙岭组硬绿泥石矿物学研究 |
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| 引用本文： | 黄杜斌,管新邦.京西潭柘寺东山红庙岭组硬绿泥石矿物学研究[J].矿物学报,2012,32(2):200-204. |
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| 作者姓名： | 黄杜斌 管新邦 |
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| 作者单位： | 中国矿业大学（北京）地球科学与测绘工程学院,北京,100083 |
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| 基金项目： | 国家自然基金，中国矿业大学(北京)煤炭资源与安全开采国家重点实验室大学生创新计划项目 |
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| 摘 要： | 利用偏光显微镜、X射线衍射（XRD）、拉曼光谱分析（Raman）、扫描电镜和能谱分析（SEM and EDS）等,从矿物学角度对潭柘寺东山红庙岭组中硬绿泥石特征进行了研究。结果表明,该区硬绿泥石属单斜晶系,发育接触双晶,呈玫瑰花状或束状集合体。硬绿泥石中有部分Fe2＋被氧化为Fe3＋,并替换了Al3＋,其化学式可写为（Fe2＋,Mg）（Al,Fe3＋）2SiO5（OH）2。该区硬绿泥石与钠云母共存,形成温度为350～500℃,呈定向排列,为受构造应力影响而形成的应力矿物,其形成还可能与受构造控制的深部热液活动有关。
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| 关 键 词： | 硬绿泥石 矿物学特征 应力矿物 北京潭柘寺 |
A Study on the Mineralogical Features of Chloritoid in Hongmiaoling Formation of Dongshan,Tanzhesi,West Beijing,China |
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| HUANG Du-bin,GUAN Xin-bang.A Study on the Mineralogical Features of Chloritoid in Hongmiaoling Formation of Dongshan,Tanzhesi,West Beijing,China[J].Acta Mineralogica Sinica,2012,32(2):200-204. |
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| Authors: | HUANG Du-bin GUAN Xin-bang |
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| Institution: | (School of Geoscience and Surveying Engineering,China University of Mining and Technology,Beijing 100083,China) |
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| Abstract: | The mineralogical features of chloritoid in Hongmiaoling Formation of Dongshan,Tanzhesi,West Beijing,China were studied by using polarization microscope,X-ray diffraction(XRD),Raman spectroscopy(Raman),scanning electron microscope(SEM) and energy dispersive spectrometer(EDS).The results show that,rose-like or fasciculate chloritoid in this area is monoclinic crystal with contact twin.Its chemical formula can be written as(Fe2+,Mg)(Al,Fe3+)2SiO5(OH)2 as Fe2+ is oxidized to Fe3+ and replaces Al3+.Paragonite is found in the sample,indicating the metallogenic temperature of 350–500 ℃.The orientation of chloritoid shows that chloritoid is a stress mineral,and its formation may be related to the deeply structural controlled hydrothermal activities. |
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| Keywords: | chloritoid mineralogical feature stress mineral Tanzhesi Beijing |
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