0
Most volcanoes form at plate boundaries where melting of rock occurs in the upper mantle either as a result of thinning crust reducing pressure or from the introduction of volatiles.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoVolcanoes are usually formed by magma rising up through the surface of the Earth. As the magma cools, it makes forms a volcano.
Add your answer:
Earn +20 pts
Rock formed by magma?
Rock formed from magma is igneous rock, usually found near awakened volcanos. :3
What do you call a chain of volcanos that result from oceans colliding?
Oceans do not collide but oceanic crustal plates can collide, and when they do collide, island arcs are formed along the subduction zone.
What is a delta a result of?
A delta is a result of deposits that are carried by a river. This is usually formed at the mouth of the river.
Do islands form from volcanos?
Some islands are formed by volcanoes, but most are not.
How are extrusive igneous rocks are formed?
They are formed from the cooling and solidification of lava or magma at or near the surface of the Earth.
How did wizard island formed?
volcanos
How where continents formed?
continents where formed by under water y=volcanos
Describe how the Hawaiian Islands formed in the Pacific Ocean?
it was formed be volcanos
What is the cascade mountain that was formed by these erupters?
Volcanos
How is a channel formed by water?
volcanos under water exploded and rocks formed it.
How was mount Fuji formed and how?
from the ashes and lava of volcanos.
Do divergent boundaries make volcanos?
Yes volcanos are formed on convergent and divergent plate boundries but NOT on transform boundries
How was soil formed from rocks?
Soil is usually formed from the rock as a result of weathering of the rocks.
Where and under what conditions are metomorphic rocks formed?
They can be formed just about anywhere but are commonly found near the sites of volcanos or places volcanos were once active. They are formed by other rocks put under heat and pressure.
Rock formed by magma?
Rock formed from magma is igneous rock, usually found near awakened volcanos. :3
What do you call a chain of volcanos that result from oceans colliding?
Oceans do not collide but oceanic crustal plates can collide, and when they do collide, island arcs are formed along the subduction zone.
What formed the island of Hawaii millions of years ago?
Volcanos
