贵州省福泉市矿床的稀土元素地球化学特征  

Geochemical characteristics of rare earth elements in the Fuchuan deposit,Guizhou Province

作　　者：张琛 邓耀辉 ZHANG Chen;DENG Yao-hui(No.7 general team of Guizhou Nonferrous Metals and Nuclear Industry Geological Exploration Bureau,Guiyang 550005,China)

机构地区：[1]贵州省有色金属和核工业地质勘查局七总队,贵州贵阳550005

出　　处：《世界有色金属》2021年第5期190-191,194,共3页World Nonferrous Metals

摘　　要：经过勘探工作和资料收集对贵州省福泉市矿床进行研究,发现矿床中伴生稀土元素含量较高,综合利用前景大,并具有以下地球化学特征:①稀土总量较高,显示轻稀土富集,重稀土亏损,并以富集Y、La、Nd元素为特征;②“a”矿层相对于“b”矿层稀土元素富集,可能与前期的热水、生物作用关联;③稀土元素北美页岩标准化模式曲线向右倾,EU、Ce元素呈负异常,Y元素呈正异常。After exploration work and data collection to study the Fuchuan deposit in Guizhou Province,it is found that the deposit has a high content of associated rare earth elements and a great prospect for comprehensive utilization,and has the following geochemical characteristics:①the total amount of rare earths is high,showing light rare earth enrichment and heavy rare earth deficit,and is characterized by enrichment of Y,La and Nd elements;②the"a" The enrichment of rare earth elements in the"a"horizon compared with the"b"horizon may be related to the pre-hot water and biological effects;③the standardized model curve of North American shale for rare earth elements is rightward,with negative anomalies for EU and Ce elements and positive anomalies for Y elements.

关 键 词：沉积成矿 地球化学特征 稀土元素 

分 类 号：P736.4[天文地球—海洋地质]