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Uranium Minerlization Characteristics and Ore-Control Factors in Shazaoquan Area of Badanjilin Basin
Author(s): 
Pages: 18-23
Year: Issue:  1
Journal: Uranium Geology

Keyword:  新民堡群铀矿化特征控矿因素;
Abstract: 笔者通过对巴丹吉林盆地西南缘沙枣泉地区进行综合地质调查、钻探评价和资料分析研究,总结了新民堡群铀矿化特征,分析了铀成矿控矿因素,认为该区铀矿化受构造、目的层层序界面、岩相岩性、后生氧化改造及蚀源区铀源条件等多方面因素控制.相对稳定且适度抬升的盆地构造背景有利于铀成矿,铀矿化集中区位于向斜构造中央凹陷地区.新民堡群第Ⅳ/Ⅲ层序界面是构造机制转化面、沉积体系转化面和地球化学环境转化面,具有重要的控矿意义.盆地内扇前缘亚相和扇中亚相是有利的岩性岩相.盆缘长期隆升的富铀海西期花岗岩体为铀成矿提供了优越的物源条件.
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