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Volcanic mountains are formed when lava erupts on to the Earth's surface then cools and solidifies. In this article you can learn about: How a volcanic mountain is formed;...
The geological process by which volcanic mountains form begins with tectonic movement, which results in volcanic activity, and continues for thousands of years. Such volcanic activity is not just restricted to our planet.
- Constructive Plate Boundary Volcanoes
- Destructive Plate Boundary Volcanoes
- Hot-Spot Volcanism
At constructive plate boundaries, the tectonic plates are moving away from one another. The Earth’s crust is pulled apart to create a new pathway for rising hot magma to flow on to the surface. Volcanoes can sometimes form in these setting; one example is Iceland. Iceland lies on the Mid Atlantic Ridge, a constructive plate boundary, where the Nort...
Destructive, or convergent, plate boundaries are where the tectonic plates are moving towards each other. Volcanoes form here in two settings where either oceanic plate descends below another oceanic plate or an oceanic plate descends below a continental plate. This process is called subduction and creates distinctive types of volcanoes depending o...
Volcanoes can also form above a column of superheated magma called a mantle plume. This may happen in areas that are distant from plate boundaries. It is also referred to as hot spot or intraplate volcanism. Heat from the mantle plume causes melting and thinning of the crust, which leads to volcanic activity at the surface. The Hawai’ian Islands ar...
Volcanoes form when magma reaches the Earth's surface, causing eruptions of lava and ash. Find out about different types of volcano, how to measure their strength and...
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts.
Movements of tectonic plates create volcanoes along the plate boundaries, which erupt and form mountains. A volcanic arc system is a series of volcanoes that form near a subduction zone where the crust of a sinking oceanic plate melts and drags water down with the subducting crust.
Key learning points. Earth’s crust is made from a series of tectonic plates, which constantly move, but so slowly that we don’t notice. Mountains are formed when tectonic plates move towards each other, pushing the ground upwards, lifting and folding it.
