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What causes the difference in grain size between intrusive igenuous rocks and extrusive igenuous rocks?
Wiki User
∙ 14y ago
Difference in temperature of the varying layers of the Earth's surface where either of the rocks solidify,causes difference in size of grains of rocks.When solidified below the Earth's surface,the grains are comparatively larger crystals than extrusive igneous ones.Intrusive rocks form underneath the Earth's surface(eg.,granite). Magma cools slowly so it has time to form large crystals.Extrusive rocks are ones that form from lava (blasted out of a volcano) so they cool very quickly, not allowing large crystals to form(eg.,obsidian).
Wiki User
∙ 14y ago
Mubarak Alameri
Mubarak Alameri
Intrusive igneous rocks form when magma under the earth's surface cools down very slowly and that gives time for bigger grains to form.
Extrusive igneous rocks form when lava cools down quickly and that doesn't give that much time for big grains to form.
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What is the difference between intrusive and extrusive property of matter?
intrusive properties of matter : do not depend on the amount of matter present extrusive : depend on the amount of matter present
What is the major difference between intrusive rocks and extrusive igneous rocks?
Extrusive means that the lava has come out and cooled on the surface. Intrusive means that the lava has cooled in the Earth i.e. underground.
What is the difference between exrusive an intrsive igneous rock?
intrusive forms below the earths surface, and extrusive above
What is the difference between gabbro and basalt?
Gabbro is an intrusive rock, which means it formed underground. Basalt is an extrusive rock, which means it formed above ground .
How does the rate of cooling influence crystal size of igneous rocks and how does that help you to distinguish between intrusive and extrusive igneous rocks?
The longer that magma is able to cool, the larger the crystals will be. Intrusive rocks will have larger crystals than extrusive rocks. For example granite (intrusive) has larger grains than rhyolite (extrusive).
What is the difference between intrusive and extrusive property of matter?
intrusive properties of matter : do not depend on the amount of matter present extrusive : depend on the amount of matter present
What is the difference between an intrusive and an extrusive igneous rocks?
"intrusive" means forced into something, "extrusive" means forced out onto the surface. The igneous magma reaching the surface is therefore extrusive , producing extrusive igneous rocks, and all the rest of the magma is intrusive, producing intrusive igneous rocks.
What is the major difference between intrusive and extrusive rocks is?
Extrusive means that the lava has come out and cooled on the surface. Intrusive means that the lava has cooled in the Earth i.e. underground.
What is the major difference between intrusive rocks and extrusive igneous rocks?
Extrusive means that the lava has come out and cooled on the surface. Intrusive means that the lava has cooled in the Earth i.e. underground.
Which one has large grains between intrusive and extrusive igneous rocks?
intrusive
What is the difference between the way intrusive and extrusive igneous is formed?
Intrusive igneous rocks cool beneath the crustal surface. Extrusive cool above the surface - pillow lavas cool below the sea but above the crust.
What is the difference between exrusive an intrsive igneous rock?
intrusive forms below the earths surface, and extrusive above
What is the difference between intrusive and intrusive?
What is the difference between intrusive and intrusive.
What is the difference in crystal growth between intrusive and extrusive igneous rock?
The crystal growth of intrusive igneous is substantially more so than extrusive igneous. Magma cools quicker on the earth's surface, extrusive igneous formed, as opposed to below the crust, intrusive. Therefore the longer it takes to cool the magma, the more the crystal growth.
Write the difference between extrusive and intrusive igneous rocks?
igneous Extrusive is cool on the outside of the crust and cools quickly before crystal forms igneous Intrusive is cool on the inside of the crust and cools slowly and allowing crystal to form
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.
What is the difference between an intrusive igneous rock and an extrusive rock?
instrusive is inside the valcano and exstrusive comes onto earth's crust
