These surveys are designed to maximise the value of two existing boreholes. There was already known mineralisation existing between 60-80m in Figure 1 and 100-115m in Figure 2. The inversion resistivity images showed not only the shape of ore bodies, but also other possible high mineralisation areas that the initial exploration failed to pick up. This area is currently under further geological and geophysical investigation.
Figure 2.
This survey was aimed toward mapping the zircon distribution underground between boreholes. Seven surface-borehole resistivity measurements were taken, and the results were compiled into one aggregated true resistivity image. We found that the logging data matched with our resistivity image for each hole. Our resistivity image also shows the developing direction of the mineralisation between holes, this information helped the user to better plan the mineralisation extraction procedure later.
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