钟明峰,张磊,童明慧,丁晓英,赵勇.地—井瞬变电磁在青海野马泉M1磁异常区金属矿勘探中的应用[J].矿产勘查,2019,(7):1638-1644 |
地—井瞬变电磁在青海野马泉M1磁异常区金属矿勘探中的应用 |
Application of downhole transient electromagnetic nethod in metal exploration of M1 magnetic anomaly area in Yemaquan,Qinhai |
投稿时间:2018-09-03 |
DOI: |
中文关键词: 地—井瞬变电磁法 三分量测量 矿体方位及产状 野马泉 |
英文关键词: downhole transient electromagnetic method,three-component measurement,the orientation and the occurrence of the blind ore body , Yemaquan |
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中文摘要: |
地—井瞬变电磁法(Downhole Transient Electromagnetic Method)以地表的发射回线为激发源,在井中形成感应电动势并被接收,此法具有接收信号强和距离异常目标体近等优点。对野马泉M1异常地区ZK49513和ZK49521两个孔开展了三分量的地—井瞬变电磁法勘查,经数据分析、处理、解释,发现了井旁盲矿体,并确定了该矿体的方位和产状,该结果与地质勘查的已知矿体十分吻合。 |
英文摘要: |
The principle of the Downhole Transient Electromagnetic Method mainly employ a transient electromagnetic working device as a tool, using a rectangular emission loop laid on the surface as an excitation source to receive an induced electromotive force in a borehole or mine. This method has an advantage of being close to the target anomaly associated with signal enhancement. so we used this method to carry out three-component ground-well transient electromagnetic survey on two holes named ZK49513 and ZK49521 in the M1 anomaly zone in Yemaquan. The results showed that there exist a blind sidelined orebody. Through the data analysis and processing, we have determined the orientation and the occurrence of the blind ore body, which is in good agreement with the results obtained from the geological exploration. |
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