低磁纬度地区ΔT异常处理解释方法在坦桑尼亚某地区金矿预查中的应用
李水平
河南省地质矿产勘查开发局 第二地质队,河南 焦作 454002
THE APPLICATION OF THE METHOD FOR INTERPRETATIONOF MAGNETIC ΔT ANOMALIES IN THE LOW MAGNETIC LATITUDEAREA TO GOLD ORE PROGNOSIS IN TANZANIA
LI Shui-Ping
No. 2 Geological Party, Henan Bureau of Geology and Mineral Exploration,Jiaozuo 454002,China
摘要 坦桑尼亚处于低磁纬度地区,对该地区以水平磁化为主的ΔT异常图的解释,采取对实测ΔT异常倒相180°的方法,然后用中高纬度的ΔT异
常解释方法进行解释。通过在实测资料上的应用与分析,说明其解释效果与已知地质情况吻合较好。
Abstract :Situated in a low magnetic latitude area, Tanzania lies in a horizontally magnetized environment. The characteristics
of ΔT anomalies caused by magnetic bodies in this area differ greatly from those in the middle magnetic latitude area of
mainland China. Based on the application and study of the measured data, the authors put forward the interpretation train of
thought and a "phase reversal 180°" interpretation method for ΔT anomalies in the low magnetic latitude area and applied
approaches to the interpretation of magnetic ΔT anomalies in a mid-high latitude. The application and study of the measured data
show that the effect of the interpretation is consistent fairly well with practical geological situation.
收稿日期: 2009-04-20
出版日期: 2009-12-10
基金资助: 2007年度中央财政国外矿产资源风险勘查项目(豫财办建[2007]281号)
通讯作者:
李水平(1963-),男,工程师,河南新安人。1986年成都地质学院放射性物探专业毕业,获学士学位,从事地球物理勘查工作二十余年,公开发表学术论文数篇。
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