Which of the following regions of a subduction zone are characterized by thick sequences of relatively undeformed sedimentary rocks?
A) Volcanic island arc
B) Forearc region
C) Suture
D) Transform fault
Question 2
________ contain large quantities of preexisting sedimentary and crystalline rocks that have been faulted and contorted into a series of folds.
A) Fault block mountains
B) Mid-ocean ridges
C) Compressional mountains
D) Submarine trenches