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Intrusive Rocks

Intrusive rocks are characterized by large crystal that forms deep underground.

Extrusive Rocks

They are characterized by fine-grained textures because their rapid cooling at or near the surface.

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10y ago

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Related Questions

Is schist an intrusive or extrusive rock?

Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.


How are intrusive and extrusive rock different?

Intrusive Rocks are found underneath Earths crust, while Extrusive rocks are found above Earths crust.


Is extrusive a rock?

Igneous rocks can be categorized as either extrusive or intrusive.


What is the different between extrusive and intrusive rocks?

Intrusive: An intrusive igneous rock is formed from magma undergroundExtrusive: An extrusive igneous rock is formed from lava outside of the volcano.


Is sedimentary rocks extrusive or intrusive?

Neither. Intrusive and extreusive are terms used to differnetiate different types of igneous rock. They do not apply to sedimentary rocks.


Is marble an extrusive or an intrusive rock?

Neither. The terms intrusive and extrusive apply to igneous rocks; marble is metamorphic.


What type of rock can be intrusive and extrusive?

Igneous rock can be both intrusive and extrusive. Intrusive igneous rocks form from magma that cools beneath the Earth's surface, while extrusive igneous rocks form from lava that cools on the Earth's surface. Examples of intrusive igneous rocks include granite and diorite, while examples of extrusive igneous rocks include basalt and rhyolite.


What are the 2 kinda of igneous rock?

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


Why is intrusive rock harder than a extrusive igneous rock?

The rocks are underground so intrusive rocks are under pressure so its harder.


What kind of rock includes intrusive and extrusive kind of rocks?

Igneous.


What are the two different types of igneaous rock how do they look different?

The two main types of igneous rock are intrusive and extrusive. Intrusive rocks form underground and have larger crystals due to slower cooling. Extrusive rocks form on the Earth's surface and have smaller crystals due to rapid cooling.


Is peridot an intrusive or extrusive igneous rock?

Peridot is olivine, which is a mineral, not a rock. It is found in both intrusive and extrusive rocks.