适合于沙漠覆盖区隐伏砂岩铀矿勘查的地气探测技术研究

周四春, 刘晓辉, 秦明宽, 刘国安, 郭强, 许强, 胡波, 王广西

A geogas prospecting technology suitable for the exploration of concealed sandstone-type uranium deposits in desert areas

ZHOU Si-Chun, LIU Xiao-Hui, QIN Ming-Kuan, LIU Guo-An, GUO Qiang, XU Qiang, HU Bo, WANG Guang-Xi

图4 塔里木盆地北缘某砂岩铀矿区A测线地气测量主要指示元素综合剖面 1—第四系;2—下白垩统克孜勒苏群第五岩性段;3—下白垩统克孜勒苏群第四岩性段;4—下白垩统克孜勒苏群第三岩性段;5—白垩统克孜勒苏群第二岩性段;6—下白垩统克孜勒苏群第一岩性段;7—中元古界阿克苏群;8—整合界线、角度不整合界线;9—氧化带;10—工业矿体;11—U背景值+2倍标准差(0.084 μg/L);12— U背景值+1倍标准差(0.067 μg/L);13—U背景值(0.05 μg/L);14—地气测量曲线

Fig.4 The comprehensive profile of the main indicator elements on the A survey line in a sandstone uranium mining area in the northern margin of the Tarim Basin 1—Quatemay; 2—the fifth lithologic member of the Lower Cretaceous Kyzylsu Group; 3—the fourth lithologic member of the Lower Cretaceous Kizilsu Group; 4—the third lithological member of the Lower Cretaceous Kyzylsu Group; 5—the second lithologic member of the Lower Cretaceous Kyzylsu Group; 6—the first lithologic member of the Lower Cretaceous Kyzylsu Group; 7—Mesoproterozoic Aksu Group; 8—the integrate boundaries, angular unconformity boundaries; 9—oxide bands; 10—industrial ore bodies; 11—U background value+2×standard deviation (0.084 μg/L); 12—U background value+1×standard deviation (0.067 μg/L); 13—U background value (0.05 μg/L); 14—elemental curve of geogas measurement