What type of melting takes place when a body of hot mantle rock moves upward and the pressure is reducted to the extent that the melting point drops to the temperature of the body?
A) decompression melting
B) subduction melting
C) depressurized melting
D) exfoliational melting
E) mantle plume melting

Question

Quizplus · Accepted Answer

This type of melting is known as decompression melting, which occurs when hot mantle rock moves upward and the pressure is reduced to the point where the melting point drops to the temperature of the body. As the pressure decreases, the rock begins to melt and forms magma. This process is commonly associated with the formation of mid-ocean ridges and volcanic hotspots.

What Type of Melting Takes Place When a Body of Hot