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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 Central Plateau separates the Hayden Valley and Yellowstone River drainage on the east from the Lower Geyser Basin and the Madison River drainage on the west. Madison Plateau 44°21′02″N 110°58′18″W / 44.35056°N 110.97167°W / 44.35056; -110.97167 ( Madison Plateau ) , [ 8 ] 8,435 feet (2,571
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 ...
In June 1877, several bands of the Nez Perce, numbering about 750 men, women, and children and resisting relocation from their native lands on the Wallowa River in northeast Oregon to a reservation in west-central Idaho on the Clearwater river, attempted to escape to the east through Idaho, Montana and Wyoming over the Rocky Mountains into the Great Plains.
In this case Yellowstone could be expiring. It could be another 1–2 million years (as the North American Plate moves across the Yellowstone hotspot) before a new supervolcano is born to the northeast, and the Yellowstone Plateau volcanic field joins the ranks of its deceased ancestors in the Snake River Plain. [12]
Philetus Norris Panoramic painting of Yellowstone National Park by Heinrich C. Berann, commissioned by the National Park Service. Exploration Cook–Folsom–Peterson Expedition – 1869 exploration of Yellowstone river and lake; Washburn–Langford–Doane Expedition – 1870 exploration of Yellowstone river, lake and Firehole river basin
Evidence suggests that the Yellowstone Plateau was occupied continuously, with seasonal movement among preferred places. Foragers wintered in protected valleys along the edges of the plateau, and summered in higher hunting grounds that might have extended fifty to a hundred miles away. [3] Some of the seasonal routes developed into often-used ...
Due to the Yellowstone Plateau's high elevation the average boiling temperature at Yellowstone's geyser basins is 199 °F (93 °C). When properly confined and close to the surface it can periodically release some of the built-up pressure in eruptions of hot water and steam that can reach up to 390 feet (120 m) into the air (see Steamboat Geyser ...