The point where two or more plates meet is known as a plate boundary. It is at these locations where earthquakes, volcanoes and fold mountain form. There are four main types of plate boundary. These are constructive, destructive, conservative and collision margins.
Constructive / Tensional (divergent ) plate boundaries
A constructive plate margin
Constructive plate boundaries occur when two plates move away from each other.
Landforms: Ocean ridge and volcanic islands
Destructive plate boundaries (subduction zones)
A destructive plate margin
Destructive plate boundaries occur when an oceanic plate is forced under (or subducts) a continental plate.
Landforms: Fold Mountains and Oceanic trenches
Example: Pacific Plate and the Eurasian Plate
Conservative (transform faults) plate boundaries
A conservative plate margin
Conservative plate boundaries occur when two plates slide past each other.
Example: North American Plate and the Pacific Plate
Collision plate boundaries
Collision plate boundaries occur when two continental plates move towards each other.
Landforms: Fold Mountains
Example: Australian and the Eurasian Plate
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