Which of the following processes is not responsible for the formation of magma within the Earth?
A) decompression (due to a drop in pressure)
B) addition of volatiles
C) transfer of heat from adjacent magma or very hot rocks
D) loss of volatiles to the atmosphere

Question

Quizplus · Accepted Answer

Loss of volatiles to the atmosphere would not be responsible for the formation of magma within the Earth. The other three processes (decompression, addition of volatiles, and transfer of heat) can all contribute to the generation of magma within the Earth's crust and mantle.

Which of the Following Processes Is Not Responsible for the Formation