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Yellowstone Supervolcano

Yellowstone Supervolcano. Yellowstone Hotspot Historical track Snake River Plain Magma Chamber Future eruptions?. Magma rises through continental crust When pressure exceeds rock strength and weight an eruption will occur This magma chamber is also very shallow at 5 miles deep.

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Yellowstone Supervolcano

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  1. Yellowstone Supervolcano • Yellowstone • Hotspot • Historical track • Snake River Plain • Magma Chamber • Future eruptions?

  2. Magma rises through continental crust • When pressure exceeds rock strength and weight an eruption will occur • This magma chamber is also very shallow at 5 miles deep

  3. The Hot Spot • Hot spot track • History of eruption • Magma continental • Makes larger and more explosive eruptions

  4. Ash Deposits from Previous Yellowstone Eruptions

  5. Lava Creek Tuff exposed near Desoto, Kansas. Photo: J. S. Aber Lava Creek Tuff, exposed in Western Iowa. Source: Roy et al. (2004)

  6. Cliff exposure of Lava Creek Tuff (LC) in Fisher Valley SE Utah. Source: Colman et al. (1986)

  7. Distribution of Lava Creek Tuff in continental United States. Orange dots - ash layer outcrops pictured on previous slides.

  8. Future? • Shallow magma chamber • Still being fed from below • Another eruption will happenat some point

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