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对于层状或似层状导电矿体而言,通常采用激发极化法、电阻率剖面法、充电法和测深法能查明矿体在水平方向上的延伸和其顶端埋深。利用联合剖面法、测深剖面法和井中充电法能确定矿体倾向和倾角,利用井中充电在地表测量剖面梯度的方法以及正交测深法可大致估算矿体的下界延深,视电阻率电位法、定电位激发极化法、自然电位法以及散射伽马法可计算出矿体的厚度。而合理使用综合电法能有力地配合钻探工作,近似估算矿石储量规模,进而指导钻探孔位的布置,减少钻探进尺,达到节约勘探成本的目的。本文着重介绍在豫南一些多金属矿床利用综合电法估算矿床储量的方法。
For stratified or stratified conductive ore bodies, the polarization and resistivity profile method, charge method and sounding method are usually used to detect the extension of the ore body in the horizontal direction and its top burial depth. The joint profile method, sounding profile method and in-well charging method can be used to determine the dip and dip of the ore body. By using the method of well-surface charge gradient measurement and the orthogonal sounding method, the lower bound of the ore body can be roughly estimated. The apparent resistivity Potential method, potentiostatic polarization method, natural potential method and scattering gamma method can calculate the thickness of ore body. The rational use of integrated electrical method can effectively cooperate with the drilling work, approximate estimation of ore reserves, and then guide the arrangement of drilling holes to reduce drilling footage, to achieve the purpose of saving exploration costs. This article focuses on the use of integrated electrical method to estimate the reserves of deposits in some polymetallic deposits in south Henan.