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The Juan de Fuca plate is an oceanic plate that's off the Pacific coast of North America.
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∙ 14y ago
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What are two examples of coastal mountains created by oceanic-continental subduction?
two examples are the Juan de fuca and the north American plate.
What are two examples of coastal mountains created by oceanic continental subduction?
two examples are the Juan de fuca and the north American plate.
How did plate movement cause the eruption of mt st Helens?
Actually, the North American Plate and the Pacific plate form a transform boundary. There is no volcanism related with a transform boundary. Mt. Saint Helens was created by the interactions of the North American plate and the Juan de Fuca plate. The Juan de Fuca plate is an oceanic plate, made of material which is more dense than continental plates, such as the North American plate. The Juan de Fuca plate and the North American plate are currently smashing into each other, and Juan de Fuca plate is subducting (sinking below) because it is denser. this allows for magma to come to the surface, and creates a volcano. Please disregard the first answer as it is complete and utter jank.
What type of tectonic plates does mount st helens have?
On a continental plate. Mount Saint Helens is on a convergent plate boundary. The Juan de Fuca plate is being pushed under the North American Plate.
Where on earth is there an example of an oceanic plate going under a continental plate?
This phenomenon is called plate subduction and is seen in South America where the Nazca plate is being subducted under the South American plate. The Juan the Fuca plate is being subducted under North American plate.
Do seafloor plates collide?
Technically, yes. At convergent boundaries, an oceanic plate will subduct, or sink, under a continental plate and melt back into the mantle. An example of this is the Juan De Fuca plate, which has almost been entirely subducted under the North American Plate.
How the plates move to create a volcano mount st Helens?
Mount St. Helens is located near a subduction zone. Here, the oceanic Juan de Fuca PLate is colliding with and sliding under the continental North American Plate.
What caused the mount st helens volcano to errupt?
Like so many volcanic eruptions it was caused by the rising of magma where an oceanic plate, the Juan de Fuca, descends under the continental North American plate. The resulting friction causes heat which turns the destroyed Oceanic crust into magma. Over time the build up becomes so great that it forces its way to the Earth's surface.
What is the plate tectonic setting of Mt St Helen?
Mount St. Helens is located near a subduction zone, where the Juan de Fuca plate subducts under the North American Plate.
What is the minor plate?
Juan de Fuca Plate
What 2 tectonic plates border the Juan de Fuca plate?
The Juan de Fuca Plate is bordered by the North American Plate to the east and the Pacific Plate to the west.
What is the smallest minor plate?
Juan de Fuca Plate
