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Emilia Smitham

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Q: What Extrusive igneous rocks form when hardens and cools.?
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What does extrusive rock means?

Extrusive igneous rock is one of two different types of igneous rocks. The other kind is intrusive igneous rock. Intrusive igneous rock is formed when magma in Earth's lithosphere cools and hardens. Extrusive igneous rock is formed when lava on Earth's surface cools and hardens.


What Forms when molten rocks cools and hardens?

When molten rock cools and hardens, it forms igneous rock. Igneous rocks can be classified as intrusive (formed beneath the Earth's surface) or extrusive (formed on the Earth's surface). Examples of igneous rocks include granite, basalt, and obsidian.


Extrusive igneous rocks form when hardens and cools.?

Extrusive igneous rocks form when magma erupts onto the Earth's surface and cools quickly, resulting in small mineral grains. This rapid cooling prevents the growth of larger mineral crystals. Examples of extrusive igneous rocks include basalt and rhyolite.


Which type of rock does magma form when it hardens?

Magma forms igneous rock when it cools and hardens. Igneous rocks can be further classified as intrusive (formed below the surface) or extrusive (formed on the surface).


What are the ways igneous rock can form?

Igneous rocks can form through volcanic activity, where molten rock (magma) erupts onto the Earth's surface and cools quickly to form extrusive igneous rocks like basalt. They can also form underground when magma cools slowly, forming intrusive igneous rocks like granite.


Rocks are formed when magma does what?

Rocks are formed when magma cools and solidifies either beneath the Earth's surface (intrusive igneous rocks) or on the surface (extrusive igneous rocks). As the molten magma cools, it crystallizes and hardens into solid rocks like granite or basalt.


What term refers to rocks that are produced when melted rockor magma from inside Earth cools or hardens on or below Earth's surface?

Igneous rocks are produced when melted rock or magma from inside the Earth cools and hardens on or below the Earth's surface. These rocks can be categorized as intrusive or extrusive, depending on where the cooling and hardening process occurs.


What groups of rocks can igneous rocks be formed from?

Igneous rocks can be formed from two groups of rocks: Intrusive rocks, which form below the Earth's surface from magma that cools and crystallizes slowly. Extrusive rocks, which form above the Earth's surface from lava that cools and solidifies quickly.


Is rock formed when hot magma cools and hardens?

No, rocks are formed when molten magma or lava cools and solidifies. This process can occur underground (intrusive igneous rocks) or on the Earth's surface (extrusive igneous rocks), leading to the formation of various types of rocks.


What rocks form when magma cools and hardens?

Igneous rock is what forms when magma cools and hardens.


What is the difference between igneous rock that cools above and igneous rock that cools below ground?

That depends on where it cools. Igneous rock forms from magma or lava (there's a difference!) cools and hardens. Extrusive igneous rock forms above the earth's crust, like when the lava from a volcanic eruption hardens. Intrusive igneous rock cools inside the earth when conditions change and the area around the magma cools allowing the magma to cool.


What forms when molten material from beneath Earth's surface cools and hardens?

When molten material from beneath Earth's surface cools and hardens, it forms igneous rocks. Igneous rocks can be either intrusive (formed underground) or extrusive (formed on the surface), depending on where the cooling and hardening process occurs.