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高分辨率航磁方法及在大冶铁矿区的应用
引用本文:于长春,范正国,王乃东,熊盛青,万建华,张洪瑞.高分辨率航磁方法及在大冶铁矿区的应用[J].地球物理学进展,2007,22(3):979-983.
作者姓名:于长春  范正国  王乃东  熊盛青  万建华  张洪瑞
作者单位:中国国土资源航空物探遥感中心,北京 100083
基金项目:国家危机矿山接替资源勘查项目“湖北省黄石市大冶铁矿接替资源勘查”(200442007)资助
摘    要:本文针对危机矿山深部及周边找矿的难度大、勘探周期短的特点,提出了一套以找矿为目的,集直升机大比例尺航空物探测量、数据处理、解释为一体的高分辨率航磁方法技术.这些方法包括硬架式直升机航磁测量方法、曲面位场处理方法、精细反演解释方法等.应用该方法在湖北黄石大冶铁矿中布钻,已有两孔见富磁铁矿及伴生的铜、金矿,见矿最大厚度为14.6m.因此,高分辨率航磁方法在危机矿山进一步挖潜工作中可以实现快速找矿目的.

关 键 词:航磁  直升机  大冶铁矿  曲面  反演  危机矿山
文章编号:1004-2903(2007)03-0979-05
收稿时间:2007-04-13
修稿时间:2007-04-132007-04-20

High-resolution aeromagnetic exploration methods and their application in daye iron mines
YU Chang-Chun,FAN Zheng-Guo,WANG Nai-Dong,XIONG Sheng-Qing,WAN Jian-Hua,ZHANG Hong-Rui.High-resolution aeromagnetic exploration methods and their application in daye iron mines[J].Progress in Geophysics,2007,22(3):979-983.
Authors:YU Chang-Chun  FAN Zheng-Guo  WANG Nai-Dong  XIONG Sheng-Qing  WAN Jian-Hua  ZHANG Hong-Rui
Institution:China Aero geophysical Survey and Remote Sensing WANG Nai-Dong, XIONG Sheng-Qing, ZHANG Hong-Rui center for Land and Resources, Beijing 100083, China
Abstract:Aiming at the need of looking for ore in the outside of the mine and in the depth of the mine,this paper gives a set of high-resolution aeromagnetic exploration methods,including airborne geophysical survey method with helicopter,transform method for curved surface potential field and precise inversion and interpretation method.Applying the methods to Daye iron mines of Huangshi city,Hubei province,makes a great success.In the year of 2006,rich iron ore and its associated minerals of Cu and Au have been dug up in two of the four drill holes arranged by the interpretation results.Accordingly,the innovation of technique is significant in the work of potential ore digging.
Keywords:aeromagnetic exploration  curved surface  inversion  helicopter  daye iron mines
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