According to the information the complete fragment would be The granitic igneous rocks that make up the sierra nevada mountains in california and nevada are intrusive.
<h3>What are intrusive igneous rocks?</h3>
Intrusive igneous rocks are a geological concept that refers to those rocks that cool underground. These rocks form when magma deep in the crust cools slowly.
A particularity of these rocks is that relatively large crystals are formed due to slow cooling, which makes them easy to see. Intrusive igneous rocks are also called plutonic, a rocky body that forms between the crust.
<h3>What other types of igneous rocks exist?</h3>
Another type of igneous rocks that exists are extrusive igneous rocks that form on the surface. These form when lava cools rapidly as it rises to the surface.
According to the above, it can be inferred that the igneous rocks that form the Sierra Nevada of California are intrusive igneous rocks.
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