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The phenomenon of land bulging above a subducting plate is primarily explained by the principles of isostasy, which is governed by Archimedes' principle. As the denser oceanic plate subducts beneath the less dense continental plate, the resulting pressure and deformation can cause the overlying land to uplift. Additionally, the release of stress and the melting of mantle materials can contribute to volcanic activity, further influencing the topography and causing bulging in the region.
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Which plate is subducting beneath South American plate?
Nazca
What 2 things happen as a subducting plate sinks back into the earth?
As a subducting plate sinks back into the Earth, it causes the release of water and other volatiles from the plate, which can lead to melting in the overlying mantle and the formation of magma. This process often results in volcanic activity at the surface, creating volcanic arcs. Additionally, the sinking plate can induce seismic activity, leading to earthquakes along the subduction zone.
What kind of plate boundary is the puerto rico trench?
The Puerto Rico Trench is a subduction zone plate boundary, where the North American Plate is subducting beneath the Caribbean Plate. This causes deep earthquakes and the formation of a deep ocean trench in the region.
What kind of plate boundary has the most explosive volcanoes?
Convergent with the oceanic plate subducting under the continental plate.
Which plates is subducting beneath the South American plate?
The Nazca Plate is subducting beneath the South American Plate along the Peru-Chile Trench. This subduction zone is responsible for the formation of the Andes Mountains and the occurrence of frequent earthquakes in the region.
Are subducting plate and oceanic plate the same?
No, subducting plate and oceanic plate are not the same. An oceanic plate is a type of tectonic plate that lies beneath the ocean, while a subducting plate refers to an oceanic plate that is descending beneath another tectonic plate at a convergent boundary. Subducting plates are a specific category of oceanic plates.
Which plate is subducting beneath South American plate?
Nazca
What is subducting ocean plate?
A subducting ocean plate is a tectonic plate that is moving beneath another plate at a convergent boundary. As it moves, the subducting plate is forced down into the Earth's mantle, creating a subduction zone. This process can lead to volcanic activity, earthquakes, and the formation of deep ocean trenches.
What is a subducting plates?
When one plate moves under the other plate
Which plate is subducting beneath the south american plate to form the andes?
north american
What kind of plate boundary is the puerto rico trench?
The Puerto Rico Trench is a subduction zone plate boundary, where the North American Plate is subducting beneath the Caribbean Plate. This causes deep earthquakes and the formation of a deep ocean trench in the region.
What kind of plate boundary has the most explosive volcanoes?
Convergent with the oceanic plate subducting under the continental plate.
What are examples convergent boundary?
Examples of convergent boundaries include the Himalayan mountain range (where the Indian Plate is colliding with the Eurasian Plate), the Andes mountain range (where the South American Plate is subducting under the Nazca Plate), and the Mariana Trench (where the Pacific Plate is subducting beneath the Mariana Plate).
Does the subducting plate appear to be continuous or discontinuous?
It appears to be continuous because it is a cycle. Old plate is subducted, but new plates are formed.
Which plates is subducting beneath the South American plate?
The Nazca Plate is subducting beneath the South American Plate along the Peru-Chile Trench. This subduction zone is responsible for the formation of the Andes Mountains and the occurrence of frequent earthquakes in the region.
What happens to islands when tectonic plates subduct?
If an island is on a subducting plate and close to the area of subduction, it will gradually sink as it moves towards the trench. If the island is on the plate under which the other plate is subducting, it will experience many earthquakes and volcanic eruptions.
Which plate is subducting beneath the South American Plate to form the Andes Mountain Ranges?
north american
