What is the relationship between topography and the distribution of minerals in South America?

On the territory of South America, the distribution of minerals is directly related to the relief of the continent. Large reserves of metal ores and precious stones are possessed by the extreme western parts, where the Andean ridge passes. The fact is that such materials are formed as a result of tectonic and volcanic activity, and the Andes are young and very active mountains. In the eastern part, which is located on an ancient lithospheric plate, where coal and oil reserves were formed from organic substances over millions of years.