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, answer the question "vein deposits of gold and silver are formed where?" with the following options: - loose soil - aqueous solution - graptolites - tectonic plates coliding - higher elevations - mountain sources - flow of electrons - In sediment
Answer:
higher elevations