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随着国家政策对矿业勘查力度的加强,铀矿勘查也迎来了它的第二个“春天”。而新一轮的找矿热潮是以“攻深找盲”为主题,所以了解矿区深部的构造变化情况,是开展勘查工作的前提和依据。本文简单介绍可控源音频大地电磁测深法(CSAMT法)的工作原理和特点,并通过在南雄盆地上东坑地区利用可控源音频大地电磁法测深探索深部构造中的实际应用,突出该方法在探测深部地质目标的良好应用效果和有效性,为矿区深部找矿工作提供设计依据。
With the intensification of national policies on mining exploration, uranium exploration also ushered in its second “spring”. The new round of prospecting craze is based on the theme of “attacking and finding the blind”, so understanding the tectonic changes in the deep mining area is the prerequisite and basis for exploration work. This paper briefly introduces the working principle and characteristics of CSAMT method and explores the practical application in deep structure by using controllable source audio-frequency magnetotelluric sounding in Shangdongkeng area of Nanxiong basin, Highlighting the good application and effectiveness of this method in detecting deep geological targets and providing design basis for deep prospecting work in the mining area.