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The hot melted rock formed deep within the Earth by pressure and heat is called magma. This molten rock originates from the mantle and can rise towards the surface, where it may lead to volcanic activity. When magma erupts through a volcano, it is referred to as lava. Over time, as magma cools and solidifies, it forms igneous rocks.

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1mo ago

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Do diamonds form deep within the Earth?

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Intrusive igneous rock.


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Diamonds are formed deep within the Earth's mantle -- under extreme pressure and intense high heat. They are erupted to the Earth's surface through volcanic pipes. As well, there are man-made diamonds formed in laboratories.


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