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They are classified by the amount of silica vs the amount of alkalies are in the rocks or magma.

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14y ago

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Related Questions

How does magma from igneous rock?

magma cools to form igneous rock


When magma is cooled it becomes what?

Cooling and solidifying magma turns into igneous rock.


How is magma and igneous rocks related?

Magma is molten rock, and igneous rock is cooled magma.


What is igneous rock formed from magma?

An igneous rock formed from magma is intrusive.


Type of rocked formed when lave or magma cools?

A rock that is formed when magma cools is called a igneous rock.


Which rocks are formed from a hot magma?

igneous rock


What kind of rock forms from magma?

Igneous rocks form from magma as it cools and solidifies. Examples include granite, basalt, and obsidian.


A rock made from cooled magma or lava?

Igneous rock is formed from solidified and cooled magma or lava.


Is igneous rock is produced when magma cools?

Yes. Igneous rock is the product of cooled magma or lava.


How does igneous rock from?

magma cools to form igneous rock


How can you get different igneous rocks from the same magma body?

Magma underground may differentiate and form different intrusive igneous rock. Magma from the magma body may erupt, cool, quickly, and form fine-grained extrusive igneous rock, or partially remain underground and form intrusive igneous rock. The type of igneous rock formed from the magma body will largely depend on whether or not it is erupted, and the speed of its cooling.


What Rock formed by the crystallization of magma?

Extrusive igneous rock is formed from the solidification of lava.Intrusive igneous rock is formed from the solidification of magma.