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Molten rock is rock heated to a temperature that is sufficient to turn it into a thick liquid. Molten rock often is associated with lava from a volcano. Additionally, molten rock exists below the surface of the Earth. More »

www.reference.com Science Earth Science Layers of the Earth

Underground molten rock is referred to as magma or lava, which cools to form igneous rock. Igneous rock is important because it gives scientists important clues about what is happening inside the Earth. More »

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Hot molten rock that forms underground is known as magma. During a volcanic eruption, the magma that is ejected onto the surface is referred to as lava. The solid form of magma after it has cooled down is called an igneo... More »

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The molten rock below the Earth’s surface is known as magma. Magma is a combination of a molten and semi-molten rock mixture that is extremely hot. Magma is between 1,292 and 2,372 degrees Fahrenheit, or 700 and 1,300 de... More »

www.reference.com Science Earth Science Layers of the Earth

Instead of having a rocky surface, Jupiter is gaseous up to the inner core, which is either rock or a molten liquid. The gases in its atmosphere include hydrogen and helium. More »

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According to Science Daily, the types of rock that make up the continental crust include metamorphic, sedimentary and granitic. These rocks form continents and shallow sea beds, which are called continental shelves. More »

www.reference.com Science Earth Science Layers of the Earth

Basalt is the main type of rock in the oceanic crust. Basalt is formed when magma cools quickly at the Earth's surface, making a type of igneous rock. More »

www.reference.com Science Earth Science Layers of the Earth