From 20th November – 21st December 2012, Anglo American conducted a geophysical test surveys over porphyry copper systems. The purpose of the Magnetic Induced Polarization (MIP) survey was to test the viability of the MIP method in known porphyry copper prospect. There is broad correlation between the known chargeability anomaly and the MIP results, in terms of percentage frequency effect. There is a need to further test the viability of collecting MIP data using inductive sources instead of galvanic sources. Preliminary indications are that SQUID sensors are most suitable for MIP data acquisition and can be applied and used for exploration of buried porphyry copper deposits. Success in measuring inductive MIP effects using SQUID sensors will constitute a major breakthrough in terms of finding and defining new buried porphyry copper resources.


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