Fact 1: Vein deposits of gold and silver are formed by igneous intrusion. Fact 2: Intrusive igneous rocks account for sections of higher elevation. Given the two facts above, vein deposits of gold and silver are formed where?
Select from the following. A. loose soil. B. aqueous solution. C. graptolites. D. tectonic plates coliding. E. higher elevations. F. mountain sources. G. flow of electrons. H. In sediment.
Answer:
E.