| 安徽石台早寒武世黑色岩系稀土元素地球化学特征及其地质意义 |
| |
| 引用本文： | 徐晓春,王文俊,熊亚平,褚平利,房海波,赵丽丽.安徽石台早寒武世黑色岩系稀土元素地球化学特征及其地质意义[J].岩石矿物学杂志,2009,28(2):118-128. |
| |
| 作者姓名： | 徐晓春 王文俊 熊亚平 褚平利 房海波 赵丽丽 |
| |
| 作者单位： | 合肥工业大学,资源与环境工程学院,安徽,合肥,230009 |
| |
| 基金项目： | 国家自然科学基金，安徽省国土资源勘查项目 |
| |
| 摘 要： | 安徽石台地区发育早寒武世黑色岩系,岩石地层单元为下寒武统荷塘组和黄柏岭组.稀土元素地球化学研究表明,黑色岩系稀土总量不富集,轻稀土较重稀土富集;δEu=0.81～2.32,平均1.1;δCe=0.52～0.97,平均0.77.剖面自下而上δCe值和δEu值规律变化,δCe值由大渐小再增大,但总体逐渐增大,δEu值总体变化则与之相反.稀土元素地球化学特征反映该区早寒武世曾发生过一次明显的海侵-海退过程,黑色岩系为正常海水与热水混合沉积的产物,形成于缺氧还原状态过渡到半还原-弱氧化状态的过程中,沉积环境为干燥气候条件下相对较深的浅海斜坡环境.
|
| 关 键 词： | 稀土元素 地球化学 黑色岩系 下寒武统 安徽石台 |
REE geochemical characteristics of the Lower Cambrian black shale series in Shitai area, Anhui Province, and their geological significance |
| |
| XU Xiao-chun,WANG Wen-jun,XIONG Ya-ping,CHU Ping-li,PANG Hai-bo and ZHAO Li-li.REE geochemical characteristics of the Lower Cambrian black shale series in Shitai area, Anhui Province, and their geological significance[J].Acta Petrologica Et Mineralogica,2009,28(2):118-128. |
| |
| Authors: | XU Xiao-chun WANG Wen-jun XIONG Ya-ping CHU Ping-li PANG Hai-bo and ZHAO Li-li |
| |
| Institution: | School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China;School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China |
| |
| Abstract: | |
| |
| Keywords: | REE geochemistry black shale series Lower Cambrian system Shitai area of Anhui Province |
| 本文献已被 维普 万方数据 等数据库收录！ |
| 点击此处可从《岩石矿物学杂志》浏览原始摘要信息 |
| 点击此处可从《岩石矿物学杂志》下载免费的PDF全文 |
|
