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About: Basalt fan structure     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:VolcanicRock114933314, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatColumnarBasaltsyago:Abstraction100002137yago:Basalt114773022yago:IgneousRock114931879yago:Material114580897yago:Matter100020827yago:Part113809207yago:PhysicalEntity100001930yago:Relation100031921military unityago:Rock114696793yago:Substance100019613yago:VolcanicRock114933314 New Facet based on Instances of this Class

A basalt fan structure is a basalt formation composed of columnar jointed basalt columns that have slumped into a fan shape. They are most likely created when basalt lava is intruded into a soft material, such as loose volcanic ash, which is unable to support the intrusion. As the basalt cools and forms columns, the ash collapses, causing the lava spread and form a fan shape. The formations can be vertical or any degree of horizontal.