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Intrusive is a geologic term used to describe igneous rock that has solidified from magma underground. Extrusive igneous rock refers to rock that has solidified from lava above ground.
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∙ 12y ago
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What are the major intrusive features created by volcano?
loccoliths paccoliths lopoliths sill
What are two types of igneous rocks?
Two types of igneous rocks are intrusive which is found in a volcano. And extrusive which is found outside of a volcano.
Why is a volcano an extrusive igneous feature rather than an intrusive feature?
A volcano is composed of material that cooled and solidified at the surface, which makes it extrusive.
Is a volcano a igneous rock?
Not necessarily. Igneous rock can be divided into two broad categories: intrusive rock and extrusive rock. Intrusive rock forms when molten rock cools and solidifies underground, so no volcanic activity is necessary. Extrusive rock forms above ground from molten rock that erupts from a volcano.
What igneous rock that formed from lava that erupted into earths surface are called?
When igneous rock forms on the Earth's surface, including on the ocean floor, it's called extrusive. It's called intrusive rock when it forms beneath Earth's surface, such as in mines.
Are intrusive igneous rocks formed after a volcano?
no there are wood roks made out of a volcano
What are 3 ways extrusive and intrusive different?
Intrusive rocks are from the magma INSIDE of the volcano. Extrusive rocks are from the OUTSIDE of the volcano. I don't know 2 other ways but by the way I learned this in 4th grade?!
What is a volcano dike?
an intrusive body of magma that cuts across layers of rock
What are the major intrusive features created by volcano?
loccoliths paccoliths lopoliths sill
What are two types of igneous rocks?
Two types of igneous rocks are intrusive which is found in a volcano. And extrusive which is found outside of a volcano.
Do laccolith features occur when volcano lava cools at the surface?
No. A laccolith is an intrusive feature.
How are intrusive classified?
Intrusive features are typically classified as plutonic rocks, especially inside of a volcano. Comparatively, extrusive features are also classified as volcanic rocks.
Why is a volcano an extrusive igneous feature rather than an intrusive feature?
A volcano is composed of material that cooled and solidified at the surface, which makes it extrusive.
How does extrusive differ from intrusive?
Intrusive features are found on the inside of the volcano e.g.magma chamber, and extrusive features are found on the outside e.g. crater.
How are intrusive features classified?
Intrusive features are typically classified as plutonic rocks, especially inside of a volcano. Comparatively, extrusive features are also classified as volcanic rocks.
What is a sill in a volcano?
A sill is an intrusive body of magma that pushes its way between layers of sediments.
What is a mass of rock formed when a large body of magma cools inside the Earth?
intrusive features
