28/06/2026
Why IP/Resistivity is the standard toolkit for tracing hidden, low-grade mineralized gold-bearing structures
You can’t always map an economic gold deposit with basic magnetism or resistivity. When your target is disseminated, you need a method that measures electrical capacitance.
In many gold-bearing systems, the precious metal is locked up invisibly within fine, scattered sulfide grains like pyrite or arsenopyrite. Because these grains are isolated from one another, they don't conduct electricity in a continuous line. Standard resistivity surveys will miss them entirely.
Enter Induced Polarization (IP).
When you pump an electrical current into the ground and abruptly turn it off, these isolated sulfide grains act like tiny, natural capacitors. They hold onto that electrical charge for a brief fraction of a second before discharging it back into the earth. By measuring this delayed decay, known as chargeability IP, one can pinpoint massive zones of low-grade, disseminated mineralization that are completely invisible to other methods.
What IP Anomalies Actually Mean in Gold Exploration
A strong IP anomaly can indicate:
• disseminated sulfide halos around ore zones
• stockwork vein systems
• porphyry-related mineralization
• structurally controlled fluid pathways
But importantly:
IP does not detect gold directly. It detects the sulfide system that carries it.
That is why interpretation is everything.
A good IP anomaly is not a target.
It is a geological invitation to drill.
If you are chasing shear-hosted gold or porphyry systems, IP isn't just an option; it’s your primary weapon.
