Impedance Network Modelling to Simulate the Chargeability of Sand-Pyrite Mixtures
2021
Summary Induced polarization method has long been used in mining geology due to its high sensitivity to the presence of disseminated ores. However, it is important to link the measured chargeability to the ore content. This can be done experimentally: for instance, Gurin et al. (2013) studied the evolution of the chargeability with ore content for sand-pyrite mixtures. Here we propose a new numerical approach, based on the resolution of the complex electrical problem using networks of complex impedances. We show that the predicted chargeability obtained by our methodology is very close to the observed one.
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