Huckleberry Ridge Tuff
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The Huckleberry Ridge Tuff is a tuff formation created by the Huckleberry Ridge eruption that formed the Island Park Caldera that lies partially in Yellowstone National Park, Wyoming and stretches wes
The Huckleberry Ridge Tuff along the Gardner River near Osprey Falls, above Mammoth
Huckleberry Ridge ash bed
Mesa Falls Tuff
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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. It is the second most recen
Huckleberry Ridge Tuff
…This eruption, 2.1 million years ago, is the third most recent large caldera-forming eruption from the Yellowstone hotspot. It was followed by the Mesa Falls Tuff and the Lava Creek Tuff eruptions. The eruption likely occurred in 3 phases, separated by decades. Yellowstone Caldera…
Mesa Falls Tuff exposed at southern rim of both the Island Park Caldera and the Henry's Fork Caldera near Ashton, Idaho.
Extent of the Mesa Falls ash bed