KnowraVolcanic rockLinked fromLinked fromThe 9 pages that link to Volcanic rock, each with the reason it gives.All 9Broader topic 2Related 2Narrower topic 5LavaNarrower topic: Solidified lava is one source of volcanic rock.Volcanic glassNarrower topic: Volcanic glass is the noncrystalline end of the broader family of volcanic rocks.ScoriaNarrower topic: Scoria belongs to this broad family of rocks formed by rapid surface cooling.Mount BlackburnNarrower topic: Blackburn’s volcanic structure is made of solidified volcanic material.Huayllay National SanctuaryNarrower topic: Volcanic deposits provide the bedrock from which the Huayllay formations were sculpted.