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The Yellowstone Plateau Volcanic Field, also known as the Yellowstone Supervolcano or the Yellowstone Volcano, is a complex volcano, volcanic plateau and volcanic field located mostly in the western U.S. state of Wyoming, but it also stretches into Idaho and Montana. [4] [5] It is a popular site for tourists. [6] Map of Yellowstone Volcano ash beds
The Mirror Plateau is a remote plateau west of the upper Lamar River and is in the headwaters of Pelican Creek which flows into Yellowstone Lake. The Plateau takes its name from Mirror Lake, originally named Divide Lake because it separates the Lamar and Pelican Creek drainages.
The most prominent summit on the Yellowstone Plateau is Mount Washburn at 10,243 feet (3,122 m). [79] Yellowstone National Park has one of the world's largest petrified forests, trees which were long ago buried by ash and soil and transformed from wood to mineral materials. This ash and other volcanic debris are believed to have come from the ...
Volcanism at Yellowstone is relatively recent, with calderas created by large eruptions that took place 2.1 million, 1.3 million, and 640,000 years ago. The calderas lie over the Yellowstone hotspot under the Yellowstone Plateau where light and hot magma (molten rock) from the mantle rises toward the surface.
Once the main body of Nez Perce left the Yellowstone river, they moved up Pelican Creek onto the Mirror Plateau. It was there that James Irwin escaped. James Shively escaped a few days later. They continued east crossing the Lamar River and ascending one of the major creeks—Calfee, Miller or Cache.
Yellowstone sits on top of four overlapping calderas. The Yellowstone Plateau volcanic field is composed of four adjacent calderas. West Thumb Lake is itself formed by a smaller caldera [a] which erupted 174,000 years ago. (See Yellowstone Caldera map.)
Yellowstone Plateau: Topo map: USGS ... Hike: National Park Mountain (7,553 feet (2,302 m)) is in Yellowstone National Park in ... Wikipedia® is a registered ...
Mountain Ranges of Yellowstone. Yellowstone National Park, located primarily in the U.S. state of Wyoming, though the park also extends into Montana and Idaho and its Mountains and Mountain Ranges are part of the Rocky Mountains. There are at least 70 named mountain peaks over 8,000 feet (2,400 m) in Yellowstone in four mountain ranges. Two of ...