This dimension links a geological formation to the field of study that explains it. Wikipedia notes that "some aspects about the history of incision of the canyon are debated by geologists," showing the Grand Canyon is still an active subject of geological research rather than a settled fact. Browsing by discipline groups formations that one branch of earth science studies most closely.
Facts
Comparison
Formation OriginA vent or fissure allowing hot lava, ash and gases to escape from a magma chamber below the surface. 1 Discipline
Sources
1. Wikipedia: Volcano
WikipediaVolcano, lead sectionQuote, Volcano, lead section
A volcano is a vent or fissure in the crust of a planetary-mass object that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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