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Characteristics of Aeroradioactivity and Aeromagnetism, and Prospecting Potential of Sandstone-type Uranium Deposits in Songliao Basin
Author(s): 
Pages: 229-240
Year: Issue:  4
Journal: Uranium Geology

Keyword:  松辽盆地航放航磁航放多元信息神经网络预测找矿潜力;
Abstract: 在分析松辽盆地区域航放、航磁特征的基础上,研究了钱家店铀矿床航放、航磁特征,建立了基于该矿床航放特征的神经网络预测模型.提取了全区航放铀含量、活性铀、铀增量、相对变迁系数、铀迁移富集系数、地球化学活动性指数等6种航放多元参量,能够反映盆内铀成矿的地质、地球化学背景及水文动力环境,可指示找铀有利部位.据此,圈定了15个砂岩型铀矿找矿预测区,指出除钱家店-宝龙山铀成矿带外,盆地西南部开鲁坳陷和西南隆起区的东来-大林、巴颜塔拉西南、阿鲁科尔沁旗东、奈曼旗西南、新开河北、詹榆-新华-太平川,以及盆地西部斜坡区的双岗、白城东-舍力、泰来北东等地区均具有较好的找矿潜力;盆地西南部伊胡塔镇、林海-小城子,西北部七棵树东等地区也应给予一定的关注.
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