Abstract
In order to find out the spatial shape of a granite rock-mass, three kinds of data can be used:1) The exploration data (drilling data, geological profile data, geological boundaries and so on); 2) The ridge extension line data applied to speculate the concealed granite rock-mass based on low magnetic-anomaly zone (△T≤50nT) from high-precision magnetic-prospecting and Controlled-Source Audio-Frequency Magnetotelluric (CSAMT) results; 3) The other interpolated data of concealed granite rock-mass boundary on CSAMT comprehensive prospecting profile. With these data, a simulating 3D model of the granite rock-mass can be established to provide basic data for prospecting deep concealed porphyry-polymetallic ore deposits.
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