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我公司原交流电法试验小组于1966-68年及1970-71年期间,曾分别在陕、甘、青和川北等地区进行低频感应法试验工作.使用仪器为瑞典定源式双线框(测振幅比和相位差,频率为220、660周/秒)、动源式探矿枪和电磁枪(测虚、实分量,频率分别为3520和440、1760周/秒)三种.工作目的是了解低频感应法在普查找矿中的应用条件、特点和效果.试验工作是在已知矿体和矿区外围进行的.通过几年的实践,我们认识到必须根据矿区具体地质—地球物理条件,结合其他物探
The original AC method test team of our company conducted the low-frequency induction test in Shaanxi, Gansu, Qinghai and North Sichuan during 1966-68 and 1970-71, Amplitude ratio and phase difference, frequency of 220,660 cycles per second), dynamic prospecting gun and electromagnetic gun (measured virtual, real component, the frequency was 3520 and 440,1760 weeks / second respectively). The purpose of the work is to understand The application conditions, characteristics and effects of low frequency induction method in prospecting for prospecting are carried out on the periphery of known ore body and mine area.After several years of practice, we have realized that we must combine with the specific geological-geophysical conditions of the mine area Other geophysical exploration