According to scientists, the gold that exists in our world comes from meteorites that hit Earth’s crust there are 4 billion years. 99% of the precious metal down to the center of the Earth.
Gold has indeed monitoring iron after being attracted to the core of the earth as well as several other metals after having been separated silicates (minerals that make up today the crust of the earth), due to the heat resulting from collisions with several meteorites known as Earth.
The amount of gold that was introduced in the center of the Earth is now 3000 km under our feet. This quantity is large enough to cover the entire surface of the earth with a layer of four meters thick of this precious metal.