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竹山和马鞍山绿松石微量元素和稀土元素特征
引用本文:何煦,陈林,李青会,顾冬红,干福熹,李飞,李珍.竹山和马鞍山绿松石微量元素和稀土元素特征[J].岩矿测试,2011,30(6):709-713.
作者姓名:何煦  陈林  李青会  顾冬红  干福熹  李飞  李珍
作者单位:1. 教育部纳米矿物材料及应用工程研究中心(中国地质大学),湖北,武汉,430074
2. 中国科学院上海光学精密机械研究所科技考古中心,上海,201800
基金项目:国家自然科学基金青年科学基金项目(50702066)
摘    要:对竹山和马鞍山两地绿松石的微量元素和稀土元素特征作了对比研究,同时分析了两地绿松石矿物特征和结构特征。采用X射线能谱、电感耦合等离子体质谱、X射线衍射、红外吸收光谱和扫描电镜等测试技术对竹山和马鞍山地区的绿松石样品进行岩石矿物学特征分析。结果表明,竹山与马鞍山地区绿松石在微量元素的含量上存在较大的差别,但主成分含量基本一致;两地区绿松石的稀土元素均富集重稀土,二者的稀土配分模式图出现镨反向,马鞍山地区的绿松石表现出铕负异常;马鞍山绿松石的结晶程度优于竹山县绿松石。该方法对绿松石产地划分的研究具有应用价值。

关 键 词:竹山  马鞍山  绿松石  微量元素  稀土元素
收稿时间:2010/9/10 0:00:00

Trace Elements and Rare Earth Elements Characteristics of Turquoise from Zhushan and Ma'anshan Area
HE Xu,CHEN Lin,LI Qing-hui,GU Dong-hong,GAN Fu-xi,LI Fei and LI Zhen.Trace Elements and Rare Earth Elements Characteristics of Turquoise from Zhushan and Ma''anshan Area[J].Rock and Mineral Analysis,2011,30(6):709-713.
Authors:HE Xu  CHEN Lin  LI Qing-hui  GU Dong-hong  GAN Fu-xi  LI Fei and LI Zhen
Institution:HE Xu1,CHEN Lin1,LI Qing-hui2,GU Dong-hong2,GAN Fu-xi2,LI Fei1,LI Zhen1 (1.Engineering Research Center of Nano-Geomaterials,Ministry of Education(China University of Geosciences),Wuhan 430074,China,2.Center of Sci-Tech Archaeology,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China)
Abstract:Trace elements contents and rare earth elements (REEs) characteristics of turquoise samples from Zhushan and Ma'anshan area were analyzed. The analysis techniques of X-ray Energy Dispersive Spectrometry, Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), X-ray Diffraction Analysis (XRD), Infrared Spectrometry (IR) and Scanning Electron Microscope (SEM) were applied in this study on the mineral and structure characteristics. Research results indicated that trace elements contents of turquoise from the two areas were very different, but consistent in major elements compositions. Heavy rare earth elements (HREEs) were enriched in samples from both areas, however, the REEs distribution pattern diagram presented Pr reverse. Samples from Ma'anshan area showed negative anomaly in Eu. The research also indicated that turquoises from Ma'anshan area have better crystallinity than that from Zhushan. The studied method is suitable for the identification of turquoise.
Keywords:Zhushan  Ma'anshan area  turquoise  trace elements  rare earth elements
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