difference between extrusive and instrusive rocks
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Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet. ... Intrusive rocks, also called plutonic rocks, cool slowly without ever reaching the surface.
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The difference between intrusive and extrusive igneous is that, intrusive rock is one that forms when magma cools within Earth. Extrusive igneous rock is one that, forms when lava cools on Earths surface. ... Because formations of intrusive igneous rock can be harder and more lasting than other types of rocks.
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