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Which type of rock is formed when volcanoes erupt or spider webs?
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What type of rock makes shield volcanoes?
Shield volcanoes are formed from the extrusive igneous rock basalt.basalt
Do composite cone volcanoes have mafic lava?
They can. Composite volcanoes vary in what they erupt. Many composite volcanoes are composed of a mixture of mafic, felsic, and intermediate rock. However, in most cases intermediated or felsic rock predominates.
Rock formed in volcanoes?
Igneous rock is a result of cooled lava or magma.
How did volcanoes cause oceans to be formed?
It starts with seafloor spreading, then when the oceanic plates converge, or collide, the less dense plate with sink under the denser plate and will shove it into what is called a subduction zone. Then the rock will melt and erupt out of the peak that was formed by the two plates colliding. It will not erupt until it has enough force though.
What volcanic rock may be found on earth the moon Venus and mars?
Rock formed from volcanoes.
Why do cinder cone volcanoes erupt ash and rock?
they are made out of rock
Volcanoes erupt hot liquid rock what type of rock is produced by volcanos?
Igneous rock... There are extrusive (formed on the exterior of a volcano by lava) and intrusive (formed on the inside of a volcano by magma).
What do volcanoes contain when they erupt?
magma which is basically molten rock
Why does ice melt in volcanoes?
Volcanoes erupt hot ash or molten rock. It is the heat from this that can melt ice.
Why is igneous rock found on a volcanic island?
Igneous rock is rock that formed from molten material. Volcanoes erupt lava and pyroclastic material, which forms extrusive igneous rock. Magma can solidify with in a volcano, forming intrusive igneous rock.
What type of rock makes shield volcanoes?
Shield volcanoes are formed from the extrusive igneous rock basalt.basalt
Volcanoes can erupt due to the blank of plates that produces heat for the rock to melt?
Subduction.
What is igneous rock composed of?
When volcanoes erupt, the lava comes out and cools. After cooling, it hardens, forming igneous rock.
What type of rocks are formed in volcanoes?
Volcanoes form igneous rock.
Are erupting volcanoes luminous?
Often volcanoes erupt throwing molten rock which is glowing hot if they are not just spouting smoke and ash.
Does metamorphic or igneous rock come out of Mount Rainier?
Volcanoes, including Mount Rainier, will aways erupt igneous rock.
What type of rock is formed from volcanoes magma or lava?
igneos rock
