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Rock Cycle

The rock ccycle.

Igneous Rock Forms when magma or lava cools and hardens to become solid. Ex. Obsidian.
Sedimentary Rock Forms when minerals that form from solutions or sediment from older rocks get pressed or cemented together. Ex. Sandstone.
Metamorphic Rock Forms when pressure, temperature, or chemical processed change existing rock. Ex. Gneiss.
Rock Cycle The series of processes in which rock changes from one type to another. It can take millions of years. Rocks can take different paths through the cycle.
Uplift The rising of reigions of the crust to higher elevations. It increases th erate of erosion of the rock.
Subsidence The sinking of the crust to lower elevations. Leads to the formation of a basin where sediments can be deposited.
Rift Zone Area where deep cracks form, very common where two tectonic plates move apart.
Created by: ian.rosales