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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

As part of the earth's upper mantle, the asthenosphere is thought to contain rock material made from peridotite, eclogite, olivine, spinel, garnet and pyroxene. The asthenosphere is about 50 to 124 miles beneath the eart... More »

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

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