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Megineldstöð
From Wikipedia, the free encyclopedia
Megineldstöð er stór eldstöð yfir kvikuhólfi þar sem gos eiga sér stað á mjög löngu tímaskeiði. Á ensku er fyrirbærið ýmist kallað central volcano eða volcanic center. Á Íslandi er sprungukerfi oftast tengt megineldstöðinni.
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![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/Igneous_structures.jpg/640px-Igneous_structures.jpg)