17th August 2018

ck12
10

How does a rock change from one type to another?

The three main rock types are igneous, metamorphic and sedimentary. The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

Besides, what causes an uplift?

Uplift, in geology, vertical elevation of the Earth's surface in response to natural causes. Broad, relatively slow and gentle uplift is termed warping, or epeirogeny, in contrast to the more concentrated and severe orogeny, the uplift associated with earthquakes and mountain building.

Why does uplift occur?

Uplift is the process by which the earth's surface slowly rises either due to increasing upward force applied from below or decreasing downward force (weight) from above. During uplift, land, as well as the sea floor, rises. The outer shell of the earth, the crust, divides into moving sections called plates.

How do rocks make it to the surface?

Rock at this depth migrates to the surface through combined uplift and erosion. A) Continental crust, consisting of relatively low density rock, floats on denser rocks in the mantle. Magma rises out of the mantle into the crust due to subduction.
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