Changes in pressure caused by movements the Earth’s crust creates tiny Gold deposits, known as ‘veins of Gold’ it has been reported.
In a study published in Nature Geoscience, researchers have found that veins of gold can occur almost instantaneously, taking in less that half a second.
This natural process takes place along ‘fault jogs’ which are zigzag cracks that connect to the main fault lines in the rock. At the time of an earthquake, there is a large reduction of pressure in these fault jogs; as mineral-rich fluids filter through, the rapidly crystallisation forms into very fine Gold deposits.
News source: ScientificAmerican.com.