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Extrusive and Intrusive. Extrusive rocks are formed from hardened lava at the surface and Intrusive rocks are formed from magma within the Earth.

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What are the 2 ways igneous rock are is formed?

Igneous rocks are formed through volcanic activity, where molten rock (magma) cools and solidifies either on the Earth's surface (extrusive igneous rock) or beneath the surface (intrusive igneous rock). These cooling processes result in the formation of crystals within the rock, determining its texture and composition.


How do magma turn into extrusive igneous rock?

Lava can turn into igneous rock in 2 ways. When the lava cools to a hardening point inside the volcano it is called intrusive igneous rock. When lava cools outside of the volcano it is called extrusive igneous rock.


What describes rock that was formed when molten rock cooled down?

Igneous rock is formed.


Type of rock formed from molten rock?

Igneous rock is formed when magma cools and becomes solid.


Is obsidian metamorphic igneous or sedimentary?

Obsidian is an igneous rock.


What kind of rock is formed after a volcano erupts?

Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.


When magma is cooled it becomes what?

Cooling and solidifying magma turns into igneous rock.


Is granite a igneous rock?

Yes, granite is a type of igneous rock.


Is basalt a igneous metamorphic or sedimentary rock?

Basalt is an extrusive igneous rock.


What is igneous rock formed from magma below Earth's surface is called?

It is called an intrusive igneous rock.


Is a igneous rock a mineral or rock?

You say it as ' Igneous ROCK ' and ask whether it is a rock..


What are facts about igneous?

.The oldest rock known today is the Igneous rock. .Igneous rock can be any colour..The word "Igneous" is a Greek word that means fire. Igneous rocks are formed by the cooling of molten rock, lava or magma. When magma solidifies in the earth they are intrusive, when lava cools outside the earth it is extrusive.