A volcanic island arc forms when
A) oceanic lithosphere subducts beneath continental lithosphere.
B) oceanic lithosphere subducts beneath another oceanic lithospheric plate.
C) continental lithosphere subducts beneath oceanic lithosphere.
D) two plates of continental lithosphere collide.

Question

Quizplus · Accepted Answer

A volcanic island arc forms when oceanic lithosphere subducts beneath another oceanic lithospheric plate. This results in magma rising from the subducting plate, forming a chain of volcanoes on the overriding plate, which eventually forms an island arc.

A Volcanic Island Arc Forms When