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Sagot :
At a(n) convergent boundary partial melting can form a volcanic island arc.
This statement is True.
What is a Volcanic arc?
- A volcanic arc, also called a magmatic arc 6.2, is a belt of volcanoes that erupted above an oceanic tectonic plate that is subducting.
- From above, the belt appears to be arranged in the shape of an arc.
- Volcanic arcs commonly run parallel to oceanic trenches, but the arc is farther away from the subducting plate.
- The oceanic plate is largely made up of hydrous minerals like micas, amphiboles, and serpentine minerals, which are saturated with water.
- As the oceanic plate subducts, the pressure and temperature on it rise as the depth increases.
How do volcanic islands form?
- At the edge of subduction zones, volcanic island arcs emerge.
- They are created when a subducting plate partially melts.
- Trenches or large oceanic depressions are also present with them.
- Two tectonic plates colliding causes subduction to happen.
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