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The Rock Cycle
Transcript of The Rock Cycle
All rocks start from an igneous rock.
An igneous rock is a rock that is cooled from lava or magma. This meaning that the rock can either form above or under ground. Underground, the magma is compacted together and cooled. Above ground, the lava also cools. These are the process on how the rocks form.
The rock cycle is cycle of rock changes. It describes the formations and breakdown of rocks.
This prezi will describe all the changes starting with Igneous.
Then from erosion, weathering and compaction, a sedimentary rock is formed. This rock is a collection of all types of sediments. This rock its self can have layers inside of it.
Erosion can also cause this rock to turn into little sediments.
Then from heat and pressure of the sedimentary rock, a metamorphic, meaning "changing in form", is created.
This is not the last part in the rock cycle though.
This is the full Rock Cycle
After the rock has hit the metamorphic stage, or even the sedimentary and igneous stage, the rock then melts to become magma again. Thus restarting the cycle.
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Types of Sedimentary Rocks
Types of Metamorphic Rocks