32. Gold - On its Way to the Surface

As gold makes it way to surface, what are the key observations for exploration geologists to make? How did we come to understand epithermal deposits and their relationships to intrusions and the paleosurface? And how important are our structural observations? Gold can occur within Cu-Au porphyries and intrusion-related lodes, but also makes its way to the surface where a range of epithermal deposit-types host mineralization. Following on from Episode 31 and the discussion ...