定源回线三分量测量在夏日哈木铜镍矿矿区有效性试验

摘要

通过定源回线三分量模拟计算,归纳了定源回线三分量变化特征与地下板状体产状对应关系。在此基础上对夏日哈木铜镍矿区已知剖面的定源回线三分量数据进行分析和反演解释。结果表明,①充分利用三分量数据信息,有利于快速圈定异常中心在地面的位置；②根据水平分量的零等值线与发射框对称剖面(南北和东西向)的相对位置关系,可定性判断地下矿体顶界面的起伏状况或矿体产状变化情况；③结合Z分量一维反演结果与水平分量定性解释成果对照分析,表明了三分量数据联合解释有助于提高定源回线解释成果的可靠性。%We summarized the corresponding relation between three-component variation and plate’s occurrence after the three-component simulation.On the basis of this analysis,we make an analysis,inversion and interpretation on field data from known section in Xiarihamu mine.The results indicate that it is helpful to locate anomaly center position on the ground by tak-ing full advantage of three component data information;According to the relative position between horizontal component’s zero contours and transmitter loop symmetrical profile (north-south and east-west)we can make a qualitative j udgment about varia-tion of ore top interface or its occurrence;After comparison between Z component 1D inversion section and qualitative interpre-tation from horizontal components data we think it has a practical significance to improve the reliability about fixed loop inter-pretation.