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The Response of Zircon Fission Track Age on the Metallogenic Thermal Events of Zoujiashan Uranium Deposit in Xiangshan Orefield
Pages: 193-198
Year: Issue:  4
Journal: Uranium Geology

Keyword:  锆石裂变径迹成矿时代热事件邹家山铀矿床;
Abstract: 文章以相山矿田邹家山铀矿床为研究对象,探索应用锆石裂变径迹法限定铀成矿热事件时代的可行性.通过对铀矿化蚀变碎斑流纹岩开展锆石裂变径迹峰值年龄拟合解析,获得邹家山矿床碱交代型铀成矿热事件时代为118.8~113 Ma,酸交代型铀成矿热事件时代为103.2~99.4 Ma,均与两期沥青铀矿U-Pb等时线年龄基本一致.认为热液型铀矿锆石裂变径迹年龄(或峰值年龄)可以限定铀成矿时代.
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