A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that
allows hot lava .... Some volcanoes have rugged peaks formed by lava domes
rather than a summit crater while other...
When a large body of magma has formed, it rises thorugh the denser rock layers
toward Earth's surface. Magma that has reached the surface is called lava.
Most volcanoes are formed by the movement of tectonic plates on the surface of
the earth. These plates are basically huge pieces of rock that 'float' on the ...
www.ask.com/youtube?q=How Are Volcanoes Formed&v=6Z4as_imJfM
Jun 22, 2011 ... How Volcanoes Form .... wait,how is it formed?. Read more. Show less .... What
Would Happen if a Super Volcanic Eruption Happens Again ?
Apr 29, 2016 ... Volcanoes form when hot material from below risesand leaks into the crust. This
hot material, called magma, comes either from a melt of ...
As the plate overlying the plume moves away from the hot spot and a new
volcano is formed, the previous one cools to become dormant and eventually
Magma can also push up under the middle of a lithosphere plate, though this is
much less common than magma production around plate boundaries.
How are Mountains formed? ... A volcano is a landform (usually a mountain)
where molten rock erupts through ... How many volcanoes are there in the world?
Rocks in the mantle and the core are still hot from the formation of the Earth about
4.6 billion years ago. When the Earth formed, material collided at high speeds.
There are three main places where volcanoes originate: Hot spots,; Divergent
plate boundaries (such as rifts and mid-ocean ridges), and; Convergent plate ...