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Melt and recrystallize
Melt and recrystallize
It can be buried, and huge pressures and temperatures can change them into metamorphic rocks.
Metamorphic rocks were originally igneous or sedimentary rocks. They were altered by being involved in an episode of mountain building, buried deep and subjected to immense pressures and temperatures. In effect they were the roots of the mountains. Later erosion over millions of years removed most of the mountains leaving the altered rocks for us to see.
Subjected to high temperatures and pressures for an extended period of time.When a rock (sedimentary or igneous) is buried underground, and is heated up and squashed continually, it crystalizesand forms metamorphic rock. It is destroyed when it gets too hot and melts, forming Magma which is Molten Rock. It only becomes lava when it is above ground.By going under high heat and/or pressure, if it hasn't already.
Melt and recrystallize
Melt and recrystallize
Melt and recrystallize
If a metamorphic rock is buried deeply in the earths' crust it comes under great pressures and temperatures. If these are great enough to re-melt the rock it ceases to be metamorphic and when it cools, it re-crystallizes into an igneous rock.
It can be buried, and huge pressures and temperatures can change them into metamorphic rocks.
Metamorphic rocks were originally igneous or sedimentary rocks. They were altered by being involved in an episode of mountain building, buried deep and subjected to immense pressures and temperatures. In effect they were the roots of the mountains. Later erosion over millions of years removed most of the mountains leaving the altered rocks for us to see.
Oil does not come from rock but is formed when living organisms (lots of them) are buried under high pressures and temperatures under the ground. So oil, is basically, recycled dead animals.
Subjected to high temperatures and pressures for an extended period of time.When a rock (sedimentary or igneous) is buried underground, and is heated up and squashed continually, it crystalizesand forms metamorphic rock. It is destroyed when it gets too hot and melts, forming Magma which is Molten Rock. It only becomes lava when it is above ground.By going under high heat and/or pressure, if it hasn't already.
No. When it is buried, it is not exposed to sunlight. Sun does not shine underground.
The movement within the Earth that causes buried rock to be exposed at the Earth's surface is called uplift. It refers to the vertical elevation of the Earth's surface.
erosion and deposition
igneous rocks