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Investigation into the Factors that affect the Viscosity of Magma
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Investigation into the Factors that affect the Viscosity of Magma Background. Magma is molten material beneath or within the earth's crust, from which igneous rock is formed. Magma can only be in places that are hot enough to melt rocks. When magma is formed it rises to the surface through the earth's crust. When magma reaches the earth's surface it is known as lava. It can erupt on the earth's surface, either on land or under the ocean, by a volcano or through a fissure. It solidifies into igneous rock that is also called lava. Before reaching the earth's surface, the mixture of solid and liquid rock, and gases, is known as magma. Lava is composed chiefly of silica and the oxides of aluminium, iron, magnesium, calcium, sodium, and potassium. There are two types of magma granitic magma and basaltic magma. Both of these types of magma contain SiO2 (sulphur dioxide)....
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