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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

The continental crust is made up of sedimentary, igneous and metamorphic rock. Sedimentary rocks are rocks that have been formed by atmospheric pressure, living organisms and gravity. They are created when sediments cons... More »

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

The continental crust is the outer layer of the Earth's surface, which consists of several types of rock. It is comprised of 15 tectonic plates that form the continents and their surrounding seabeds, which are called con... More »

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

The elements largely composing the rock and soil on Earth's surface are oxygen, silicon, iron and magnesium. Water, covering about 70 percent of Earth's surface, is composed largely of hydrogen, oxygen, sodium, chlorine ... More »

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

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