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Yellowstone Volcano

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Yellowstone Volcano
Introduction: “I don’t think visitors appreciate that they’re standing directly on top of the largest, most dynamic magmatic system on the planet,” says geologist Daniel Dzurisin. Yellowstone is easily one of the biggest volcanoes in the world, and one of the few super volcanoes on continental crust. The extreme ways of this volcano, is what makes it unique. Because of its tectonic setting, there are many hazards involved, as well as potential for damage. The history of this volcano explains that, and other super volcanoes help explain what could potentially happen when Yellowstone finally does erupt.
Tectonic Setting:
To begin, the tectonic setting of north western Wyoming explains a lot about Yellowstone. The crust underneath Yellowstone is restless. There are some major faults along the Teton, Madison and Gallatin Ranges that pass through Yellowstone; these all existed before the volcano was there. The North American plate is the biggest plate that Yellowstone is interacting with. There is a divergent boundary along where Yellowstone and the North American plate meet. The most apparent faults in Yellowstone are as follows; the Minor Plateau Faults younger section, Post – Lava Creek faults in North Western Yellowstone, Mallard Lake resurgent dome faults, Elephant Back fault zone, and Sour Creek dome faults.
Main Hazard: Equally important, Yellowstone has many main hazards. Yellowstone is a super volcano. The difference between a normal volcano and a super volcano is not very obvious until you look at the inside structure. A normal volcano typically has a single column of magma that comes from within the earth. It breaks through the top of the mountain and spews out the entire column. A super volcano is quite a bit different though. A super volcano begins with a column of magma, but instead of breaking through the surface it stays underground. The magma then starts heating the crust and slowly begins to mix



Cited: Marshal, Jessica. “Pulse reveals breathing heart of a super volcano.” New Scientist 189.2541 (2006): 11 Moravianhawk. “What kind of fault does Yellowstone Caldera have?.” Yahoo Answers. Yahoo, 2012 Secret Yellowstone. Dir. Brian Armstrong. National Geographic. 2007. “Thanks for the lift.” American Scientist 96.1 (2008): 27. Gale Student Resources In Context “Wyoming Quaternary Faults.” USGS. U.S. Department of the Interior, 2012. Web. 3 Mar 2012 Gourley, n.d. Web. 3 Mar. 2012. . “Yellowstone is a Supervolcano?.” Suburban Emergency Management Project. SEMP INC. 2007

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