Dome Mountains

Photo credit: NASA


A mountain is tall and rocky land that rises high above the land around it. Mountains are different because they are formed in different ways.


Some mountains form from hot melted rock called magma rising up from the Earth's mantle. If magma breaks through the crust, it forms a volcanic mountain. Sometimes the magma cannot break through Earth's crust. Pressure from magma pushes up the Earth's surface rocks. The magma under the surface cools and hardens into rock. This is how dome mountains are formed.


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