A tuff cone is a small, monogenetic volcanic cone produced by phreatic, or hydrovolcanic, explosions that occur when magma rising through a conduit reaches the surface and interacts explosively with water. Like other volcanic cones, it is built from ejecta piling up around the vent in a cone shape with a central crater, but its defining material is consolidated ash, or tuff, rather than the welded spatter of a spatter cone or the loose cinders of a cinder cone.
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Source Volcanic cone (Wikipedia)
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Source Volcanic cone (Wikipedia)
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Volcanic cone (Wikipedia)
Caused By: Volcanism, Lead sentence
They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater.
In Discipline: Volcanology, Lead sentence
Volcanic cones are among the simplest volcanic landforms.
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