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Subject Item

n2:ENVO_00000498

rdf:type

owl:Class

rdfs:label

volcanic dike

rdfs:subClassOf

n2:ENVO_00000094

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FTT:654

obo:hasExactSynonym

dyke (geologic) volcanic dyke

n2:IAO_0000115

An intrusive igneous body. Its thickness is usually much smaller than its other two dimensions. Thickness can vary from sub-centimeter scale to many meters in thickness and the lateral dimensions can extend over many kilometers. A dike is an intrusion into a cross-cutting fissure, meaning a dike cuts across other pre-existing layers or bodies of rock, this means that a dike is always younger than the rocks that contain it. Dikes are usually high angle to near vertical in orientation, but subsequent tectonic deformation may rotate the sequence of strata through which the dike lies so that the latter becomes horizontal.

obo:hasBroadSynonym

ridge

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ENVO

obo:id

ENVO:00000498