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Q: How long ago did the granite rocks of the sierra Nevada form?
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Where is the sierra mountains located and how do they form?

The Sierra Mountains are located in California and Nevada. The Sierra Nevada Mountain Range was formed by 2 colliding plate boundaries that collided and formed the Sierra Nevada Mountain.


What Igneous rocks can form?

granite and many other rocks


How did the mountain Sierra Nevada form?

Pacific and Northern plates crashed against each other and cause the sierra Nevada mountains form


How did sierra Nevada mountains formed?

Pacific and Northern plates crashed against each other and cause the sierra Nevada mountains form


What rocks are made to form granite?

marble and sugar


What hills are east of Fresno and form the boundaries of the western edge of the Sierra Nevada mountains?

sierra foothills


Form of mica in rocks gneiss granite and schist?

Muscovite


What are rocks that form as a resutlt of cooling magma?

Intrusive or extrusive igneous rocks, such as granite and basalt.


What igneous rocks that form from magna cools slowly?

Intrusive igneous rocks, like granite.


How did the Sierra Nevada Range form?

Where tectonic plates collide, the intervening crust can be folded or pushed up to form mountains. In the case of the Sierra Nevada, an ancient collision forced magma from an oceanic plate beneath the western part of North America. After millions of years, erosion and glaciation has exposed these underground rocks, or plutons, which form the bases of the mountains of the range.


What rocks that form when magma cools underground?

granite is all that i know of.


What kinds of rocks form most of the crust of the earth?

granite and limestone