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What type of rocks are formed in volcanoes?
Volcanoes can produce different types of rocks, including igneous rocks like basalt, andesite, and rhyolite. These rocks are formed from magma that cools and solidifies either within the volcano (intrusive) or on the surface (extrusive) through processes like volcanic eruptions.
Is the rock Scoria found in the US?
Yes, scoria is found in the US, particularly in regions with volcanic activity such as the western states including Hawaii, Oregon, California, and Washington. Scoria is formed from frothy lava that solidifies quickly, resulting in a porous rock with a reddish-brown to black color.
Are volcanoes the same as volcanic rock?
No, volcanoes are mountains or openings in the Earth's crust through which molten rock, ash, and gases are ejected during eruptions. Volcanic rock, on the other hand, is solidified magma that has cooled and hardened after being ejected from a volcano.
What type of rock does lava turn into if it doesnt melt?
If lava does not remelt, it can cool and solidify into an igneous rock called basalt or andesite depending on its chemical composition. Basalt is commonly produced by oceanic volcanoes, while andesite can form from more intermediate compositions.
Which type of volcano produces thick ash clouds?
Stratovolcanoes, also known as composite volcanoes, are known for producing thick ash clouds due to their explosive eruptions. These volcanoes are characterized by their steep slopes and alternating layers of lava, ash, and rock fragments. When these volcanoes erupt, they can release large amounts of ash and debris into the atmosphere.
What type of rock is formed from volcanoes magma or lava?
igneos rock
What type of mountain forms from molten rock?
Volcanoes
What is a type of rock that bursts out of a volcanoe that starts with the letter b?
Basalt is a rock formed by volcanoes.
What type of rock does a volcano form?
volcanoes create igneous rocks
What type of rock makes shield volcanoes?
Shield volcanoes are typically formed from basaltic lava flows, which are low in silica content and very fluid. This type of lava allows for the gradual buildup of wide, gently sloping volcanic cones characteristic of shield volcanoes.
Which type of rock is associated with volcanoes?
Igneous rocks are found in areas of volcanism
What type of rock forms in volcanoes along the continental margins?
igneous rocks
What kind of rock is found in a shield volcano?
Shield volcanoes are primarily composed of basaltic rock, which is a type of volcanic rock that is low in silica content and high in iron and magnesium. This type of rock creates gently sloping shield volcanoes due to its low viscosity and ability to flow easily during eruptions.
What part do volcanooes play in the rock cycle?
Volcanoes melt the rock and eventually erupt. Once it erupted the rock starts to setal and cool into a certain type of rock
What type of volcanic rock do you find in a explosive volcano?
Explosive volcanoes can produce pumice and tuff.
Do all volcanoes have molten rock?
All volcanoes have molten rock. o.0
How were the Hawaiian islands formed and which type of rock is probably most common in Hawaii?
they were formed by underwater volcanoes
