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  • Main articles: volcanic cone and Cinder cone. Volcanic cones or cinder cones are the result from eruptions that erupt mostly small pieces of scoria and pyroclastics (both resemble cinders, hence the name of this volcano type) that build up around the vent. — “Volcano - Wikipedia, the free encyclopedia”,
  • These include gases trapped in cavities (vesicles) in volcanic rocks, dissolved or dissociated gases in magma and lava, or gases emanating directly from lava or indirectly through ground water heated by volcanic action. The sources of volcanic gases on Earth include:. — “Volcanic gas - Wikipedia, the free encyclopedia”,
  • Volcanism or volcanic activity. Plutonism, a debunked scientific theory of the Earth. If an internal link led you here, you may wish to change the link to point directly to the intended article. — “Vulcanism - Wikipedia, the free encyclopedia”,


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