Volcanic Pipe
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Volcanic pipes are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are considered to be a type of diatreme. Volcanic pipes are composed of a deep, narrow cone of solidified magma (described as "carrot-shaped"), and are usually largely composed of one of two characteristic rock types kimberlite or lamproite. These rocks reflect the composition of the volcanoes'' deep magma sources, where the Earth is rich in…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Volcanic pipes are subterranean geological structures formed by the violent, supersonic eruption of deep-origin volcanoes. They are considered to be a type of diatreme. Volcanic pipes are composed of a deep, narrow cone of solidified magma (described as "carrot-shaped"), and are usually largely composed of one of two characteristic rock types kimberlite or lamproite. These rocks reflect the composition of the volcanoes'' deep magma sources, where the Earth is rich in magnesium. Volcanic pipes are relatively rare. They are well known as the primary source of diamonds, and are mined for this purpose.