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EH4成像技术在冈底斯斑岩铜矿勘探中的应用:以西藏尼木岗讲铜矿为例
EH4 Imaging Technology in Gangdese Porphyry Copper Mine Exploration:An Example from Gangjiang Copper Mine in Nimu,Tibet
【摘要】 岗讲铜矿是西藏冈底斯成矿带上典型的斑岩型矿床。选用EH4连续成像技术,获得的低阻异常与钻孔控制矿(化)体空间位置吻合性良好,并依据物性差异尝试区分岩浆岩的活动期次及断面形态,取得了较好的应用效果,结果表明:该方法有利于定位深部矿(化)体空间位置,是冈底斯成矿带探测深部斑岩型铜矿的有效方法。
【Abstract】 Gangjiang copper deposit is a typical porphry deposit in the Gangdese belt.The article selects EH4 continuous imaging technology and finds that the space position of low resistivity anomalies is coincident with drill hole controlled ore(mineralization)bodies.According to the difference of physical parameters,the active stage and the section shape of magmatic rocks are distinguished,with good effect.The results show that the method is favorable for locating deep ore(mineralization)bodies,and should be an effective method for deep porphyry copper mine exploration in Gangdese metallogenic belt.
【Key words】 low resistivity anomaly; EH4 continuous imaging technology; Gangjiang porphyry copper deposit; Gangdese metallogenic belt;
- 【文献出处】 地质科技情报 ,Geological Science and Technology Information , 编辑部邮箱 ,2017年04期
- 【分类号】P618.41;P631
- 【被引频次】3
- 【下载频次】148