Plate Boundary Project By: Hannah Clements

There are three types of plate boundaries, The Divergent boundary, Convergent boundary and Transform boundary. I will be talking about each one, including what motion it is, what type of stress it causes, the landforms it creates and a real world event. Now the first boundary I will talk about is the Divergent Boundary.

This is an example of the Divergent Plate Boundary motion.
East African Rift Valley (Left), Mid-Ocean Ridge (Right)

This is the divergent boundary (picture shown on top), it's motion is that it moves apart from each other. The stress that this plate motion causes, is tension, meaning it pulls apart. There are two ways landforms are created by the divergent boundary motion, one is continental to continental, which means when continents collided, and the other is oceanic to oceanic. Two landforms that are created by continent to continent are, Volcanoes and Rift Valleys. An example of a real world event, is the East African Rift (Picture shown on bottom). The East African Rift began to develop 22-25 million years ago, soon the African Plate with split into two tectonic plates. A landform created by oceanic to oceanic is the Mid-Ocean Ridge.

This is an example of the Convergent Plate Boundary motion.
The Himalayas (Left), Aleutian Volcanic Arc in Alaska (Right)

This is the convergent boundary (as you see in the picture above), its motion is when a heavier and denser plate moves under a more buoyant plate. The stress that is caused by this is compression, meaning, it is squeezed together. There are also two ways landforms are created, continent to continent, and oceanic to oceanic. Two landforms that are created by continent to continent, are mountains and earthquakes. One of those mountains are the Himalayas, the Himalayas were formed 50 million years ago when the Indian and Eurasian plates collided. The other one was the Aleutian Volcanic Arcs in Alaska, and those are basically a line of active volcanoes.

This is an example of a Transform Plate Boundary motion.
These are some pictures of the San Fransisco Earthquake

This is a picture of the transform boundary (shown on top), its motion is that the plates slide past each other. The stress that it causes is shear stress meaning, these are forces that act in opposite directions. The landforms it creates is earthquakes and fault zones, and a fault zone is when there are fractured pieces of the crust along a large fault. A real world event is the San Fransisco Earthquake, it happened on April, 18, 1906. The result was that 700 lives were lost and it caused millions of dollars worth of damage.

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