The shapes and forms of volcanoes

... The shapes and forms of volcanoes "A volcanic cone is the result of the accumulation of ejected material around a vent", and many different shapes can be identified. It is thought that there is somewhere in the region of 600 active volcanoes (erupted in the last 25,000 years ) currently on land or exposed above the sea on islands, with many more extinct ones, but this is nothing compared to the number of submarine volcanoes under the oceans. There is more than 50,000 under the Pacific alone ( Summerfield, 1990 ). The location of volcanoes is not random, almost all are found at plate boundaries where new crust is either created or destroyed. The actual form of the volcano differs from one place to another, and they can be classified by two separate factors, the shape of the volcano, or the type of eruption that led to its formation. In this essay,

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