Mesa Falls Tuff Explained

Mesa Falls eruption
Date:	1.3 million years ago
Location:	Idaho, United States
Coordinates:	44.33°N -111.33°W
Volume:	280km3
Vei:	7
Map:	MeasFallTuff.jpg

The Mesa Falls Tuff is a tuff formation produced by the Mesa Falls eruption that formed the Henry's Fork Caldera that is located in Idaho west of Yellowstone National Park.^[1] It is the second most recent caldera forming eruption from the Yellowstone hotspot and ejected of 280km3 of material. This eruption, 1.3 million years BP, was preceded by the Huckleberry Ridge Tuff and succeeded by the Lava Creek Tuff, both of which were also formed by the Yellowstone hotspot.^[2]

See also

• Yellowstone Caldera
• Snake River Plain
• Island Park, Idaho
• Upper Mesa Falls
• Lower Mesa Falls

Notes and References

1. Christiansen, R.L., 2001, The Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana: U.S. Geological Survey Professional Paper 729-G, 145 p.
2. http://vulcan.wr.usgs.gov/Volcanoes/Yellowstone/description_yellowstone.html Yellowstone Caldera, Wyoming