α径迹蚀刻方法在砂岩型铀矿研究中的应用——以通辽地区砂岩铀矿为例  

Application of Alpha Track Etching in Research of Sandstone-type Uranium Ore——A Case of Study in Sandstone-type Uranium Deposit of Tongliao Area

作　　者：徐喆[1,2] 吴仁贵[1,2] 蔡建芳[3] 余达淦[1] 宫文杰[3] 宁君[3] 

机构地区：[1]东华理工大学,江西抚州344000 [2]核资源与环境教育部(东华理工大学)重点实验室,江西南昌330013 [3]核工业243大队,内蒙古赤峰024000

出　　处：《东华理工大学学报（自然科学版）》2010年第1期9-14,共6页Journal of East China University of Technology(Natural Science)

基　　金：巴音戈壁盆地中新生代构造演化与白垩系沉积体系研究(中科地计发200691-DHZ06-071)

摘　　要：α径迹蚀刻法应用于铀矿研究,可简便有效地研究岩石、矿石中铀的分布状况、存在形式等,寻找岩石和矿石中颗粒细小的铀矿物,研究与铀矿化相关的蚀变作用等。以通辽地区砂岩型铀矿为例,利用α径迹蚀刻法对矿石中铀的分布形式,铀的富集规律进行研究,根据矿石的α径迹特点得出铀以分散吸附状态和铀矿物两种形式存在,后者通常与碳酸盐化、黄铁矿化相伴随。The application of alpha track etching in study of uranium ore can conveniently and efficiently research the existing state of uranium in rocks and ores,and find the fine-grained uranium mineral of rocks,and study the alternation with uranium mineralization.To the sandstone-type uranium deposit of Tongliao area as an example,the distribution form of uranium in the rocks and its enrichment regularity are researched by making use of alpha track etching.Then according to the alpha track,it can be known that uranium has two existing forms that are the conditions of dispersing and adsorption and uranium minerals,and the latter always companied by carbonation and pyritized.

关 键 词：α径迹 α径迹蚀刻 铀的赋存状态 砂岩型铀矿 

分 类 号：P612[天文地球—矿床学]