冀北隐伏火山热液型铀矿地表地球化学异常

张洋洋, 陈岳龙, 李大鹏, 康欢, 房明亮, 徐云亮

Surface geochemical anomalies of concealed volcanic hydrothermal uranium deposit in northern Hebei

ZHANG Yang-Yang, CHEN Yue-Long, LI Da-Peng, KANG Huan, FANG Ming-Liang, XU Yun-Liang

表2 钻孔附近土壤瞬时氡、210Po及活动态铀分析结果

Table 2 Assay results of surface soil gas Rn, 210Po and mobile-state uranium around borehole

参数 ZK-2 ZK-3 ZK-2A ZK-2B ZK-2C ZK-2D ZK-3A ZK-3B ZK-3C ZK-3D Rn含量/(Bq·m-3) 5881.5 300.0 210Po含量/(Bq·g-1) 0.009 0.027 活动态铀含量/10-6 0.280 0.240 0.250 0.250 0.140 0.130 0.140 0.140