Which process, common near black smokers, will use hot water circulating through the crust to alter olivine and pyroxene into chlorite and serpentine?
A) Hydrothermal metamorphism
B) Decompression melting
C) Partial melting
D) Thermal contraction
Question 2
A ________ forms when a rising mantle plume causes the overlying crust to dome and separate into three rifts.
A) triple junction
B) complex rift
C) submarine canyon system
D) divergent boundary