Continental Plate Subduction
by Mark Garlick/science Photo Library
Title
Continental Plate Subduction
Artist
Mark Garlick/science Photo Library
Medium
Photograph - Photograph
Description
Diagram of a continental tectonic plate (right) colliding with an oceanic plate (left). The tectonic plates are large-scale units of crust which move relative to one another in response to the thermal activity of the core and mantle. The plate on the right is moving leftwards. As it does so, it moves under the adjacent plate (arrow) - a process called subduction. An oceanic trench forms at the subduction zone, as well as episodes of volcanism, as the sinking layer melts and rises as magma to form islands. On the right, mountains are being driven upwards by opposing compressional forces on the upper mantle.
Uploaded
September 15th, 2018
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