综合物探方法在上杭盆地古石背地区铀矿勘查中的应用

李英宾, 谢明宏, 张占彬, 李毅, 魏滨, 张伟

The application of comprehensive geophysical method to the exploration of uranium deposits in the paleo-Shibei area of Shanghang Basin

LI Ying-Bin, XIE Ming-Hong, ZHANG Zhan-Bin, LI Yi, WEI Bin, ZHANG Wei

图3 研究区活化铀(a)、古铀丰度(b)等值线 1—上白垩统;2—下白垩统细粒流纹岩;3—下白垩统黑云母流纹岩;4—下白垩统凝灰质砂岩;5—下白垩统安山岩;6—上侏罗统白云质灰岩;7—上石炭统砂砾岩;8—燕山期花岗斑岩;9—燕山期次流纹岩;10—实测断层;11—压扭性断层;12—张性断层;13—推测断层

Fig.3 Isopleth map of activated uranium (a) and paleouranium abundance (b) in the study area 1—upper Cretaceous; 2—lower Cretaceous fine-grained rhyolite; 3—lower Cretaceous biotite rhyolite; 4—lower Cretaceous tuffaceous sandstone; 5—lower Cretaceous andesite; 6—upper Jurassic dolomitic limestone; 7—upper Carboniferous sandstone conglomerate; 8—yanshanian granite porphyry; 9—yanshanian sub rhyolite; 10—measured fault; 11—compression torsion fault; 12—tensile fault; 13—speculative fault