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铁矿床深部矿体定位预测的一种新途径 ———以西藏恰功铁矿为例
引用本文:李志华.铁矿床深部矿体定位预测的一种新途径 ———以西藏恰功铁矿为例[J].地质与勘探,2009,45(2):90-97.
作者姓名:李志华
作者单位:1. 内蒙古自治区矿产实验研究所,呼和浩特,010031
2. 湖北省鄂东北地质大队,孝感,432100
摘    要:恰功铁矿是近几年新发现的矿山,矿体的形态、大小、位置、产状、边界等几何特征还没有清楚的认识,为了弄清这些问题,文章首先通过小渡多尺度分析方法将恰功铁矿磁异常资料进行了位场信号分离,然后应用欧拉反褶积方法反演了异常与其场源深度的对应定量关系,最后把位场分离后的异常场源深度叠加起来,就可以对矿山深部找矿提供一种全新的思路.

关 键 词:深部矿体定位预测  地面高精度磁法测量  离散小波变换  欧拉反褶积方法  恰功铁矿
收稿时间:2008/7/21 0:00:00
修稿时间:2008/10/17 0:00:00

A New Def in ingM ethod of Deep Concea led Ore Bod ies, a Ca se Study a t the Qiagong Iron Deposit in Tibet
L I Zhi-hua.A New Def in ingM ethod of Deep Concea led Ore Bod ies, a Ca se Study a t the Qiagong Iron Deposit in Tibet[J].Geology and Prospecting,2009,45(2):90-97.
Authors:L I Zhi-hua
Institution:1.Inner Mongolia Minerals Experiment Research Institute;Huhhot 010031;2.The Geology Brigade of Northeastern Hubei;Xiaogan 432100
Abstract:The Qiagong Iron deposit is a newly discovered deposit,but geometric characteristics of its ore body such as the shape,size,position,occurrence and boundary have not been fully tested.Based on a wavelet and multi-scale analysis and Euler deconvolution method,the vertical signal of potential field is separated and the sources depth is estimated.The two methods mentioned above are jointly used to detect the magnetic source depths,which could play an important role in locating the deep-buried orebodies.
Keywords:orientation prognosis of deep concealed ore body  high-accuracy ground magnetic survey  discrete wavelet transform  euler deconvolution method  Qiagong iron deposit  
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