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文中介绍了在某盆地使用我们研制和组装的、新的汽车γ能谱测量系统取得了有效的地质成果。与区域地质、遥感地质工作相配合在工作区内圈出了五片较为有希望的铀成矿远景地带。文中阐述了在地形较为平担地区的野外测量方法。在区域踏勘性工作中以剖面测量为主,在偏高场和异常场地段采用蛇曲剖面测量,并将测点画在1:50000地形图上。文中还阐明了在没有可供汽车γ谱仪使用的饱和模型条件下,使用标定地面γ谱仪的饱和模型和校正场地标定汽车γ谱仪的方法。此外,还介绍了降雨对汽车γ测量的影响和野外定性测量铀镭平衡的简易方法。
This paper describes the effective geologic achievements of a new automotive gamma spectrometry system that we developed and assembled in a basin. In cooperation with the regional geology and remote sensing geology, five more promising uranium metallogenic prospects are encircled in the work area. The article describes the field survey in the more flat terrain. In the area of reconnaissance work to profile survey mainly in the high field and anomalous sites using serpentine section measurement, and the measuring point on the 1: 50000 topographic map. The paper also illustrates a method of calibrating a car gamma spectrometer using a calibration model of a terrestrial gamma spectrometer and a calibration site without a saturated model available for use with a car gamma spectrometer. In addition, the influence of rainfall on the measurement of car γ and the simple method of qualitative determination of uranium radium balance in the field are also introduced.