Yellowstone park wikipedia

Yellowstone Lake State Park is a state park of WisconsinUnited States, featuring a acre ha reservoir on a tributary of the Pecatonica River.

The caldera and most of the park are located in the northwest corner of Wyoming. The caldera measures 43 by 28 miles 70 by 45 kilometers , and postcaldera lavas spill out a significant distance beyond the caldera proper. The caldera formed during the last of three supereruptions over the past 2. The caldera was the largest known until the discovery of Apolaki Caldera in , which is more than twice as wide. Volcanism at Yellowstone is relatively recent, with calderas created by large eruptions that took place 2. 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. The hotspot appears to move across terrain in the east-northeast direction, and is responsible for the eastern half of Idaho 's Snake River Plain , but in fact the hotspot is much deeper than the surrounding terrain and remains stationary while the North American Plate moves west-southwest over it.

Yellowstone park wikipedia

Yellowstone National Park is a national park in the United States. It was the world's first national park. Grant signed a law to create it in The name comes from the Yellowstone River , which flows through the park. Yellowstone National Park is famous for its geysers and hot springs. About half the world's geysers are in the park. It is in Yellowstone National Park. Large animals such as grizzly bears , wolves , bison and elk live in Yellowstone. Many tourists visit the park each year to see the geysers and animals. The park is the main part of the Greater Yellowstone Ecosystem. This is the largest, almost complete ecosystem in the Earth's northern temperate zone. It has many regions; the subalpine forest covers the largest area. People have lived in the Yellowstone area for at least 11, years. John Colter , a trapper , came with the Lewis and Clark Expedition.

General Grant National Memorial. February American Association for the Advancement of Science.

The following articles relate to the history, geography, geology, flora, fauna, structures and recreation in Yellowstone National Park. Contents move to sidebar hide. Article Talk. Read Edit View history. Tools Tools.

It was named in during the Washburn—Langford—Doane Expedition and was the first geyser in the park to be named. The first geyser that they saw was Old Faithful. Nathaniel P. Langford wrote in his Scribner's account of the expedition:. It spouted at regular intervals nine times during our stay, the columns of boiling water being thrown from ninety to one hundred and twenty-five feet at each discharge, which lasted from fifteen to twenty minutes. We gave it the name of "Old Faithful. Old Faithful is sometimes degraded by being made a laundry. Garments placed in the crater during quiescence are ejected thoroughly washed when the eruption takes place. Sheridan 's men, in , found that linen and cotton fabrics were uninjured by the action of the water, but woolen clothes were torn to shreds. More than 1,, eruptions have been recorded.

Yellowstone park wikipedia

The following articles relate to the history, geography, geology, flora, fauna, structures and recreation in Yellowstone National Park. Contents move to sidebar hide. Article Talk. Read Edit View history.

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Grand Canyon of the Yellowstone. Archived from the original on June 8, Salt Lake Tribune. Helena capital. If water from a thermal feature gets on a vulnerable lens, it must be washed off immediately. Global Volcanism Program. Visitors welcomed the chance to get their pictures taken with the bears, who had learned to beg for food. In addition, during the summer season, commercial businesses offer tours originating from many area towns and cities. Article Talk. Yellowstone National Park. Defenders of Wildlife. American Geologic Institute. It is suggested that the volcanism may be caused by upwellings from the lower mantle resulting from water-rich fragments of the Farallon Plate descending from the Cascadia subduction region , sheared off at a subducted spreading rift. Louis and told the people there that he had found a beautiful place of hot springs and geysers. The park was placed on the List of World Heritage in Danger from to due to the effects of tourism, infection of wildlife, and issues with invasive species.

The series follows the conflicts along the shared borders of the Yellowstone Ranch, a large cattle ranch, the Broken Rock Indian reservation , Yellowstone National Park and land developers.

January 18, Traffic jams created by road construction or by people observing wildlife can result in long delays. Page Talk. Yellowstone is the place of a huge ancient volcano. The park contains waterfalls of at least 15 feet 4. Since the last supereruption, a series of smaller eruptive cycles between , and 70, years ago, has nearly filled in the Yellowstone Caldera with 80 different eruptions of rhyolitic lavas such as those that can be seen at Obsidian Cliffs and basaltic lavas which can be viewed at Sheepeater Cliff. December 19, Contents move to sidebar hide. How many geysers are found in Yellowstone? Caldera [2] and supervolcano. This led to an increase in dead and dying forests, which would later provide the fuel load for fires that would be much harder, and in some cases, impossible to control. Archived from the original on May 12, Flora and fauna [ edit ] It's not at all unusual to see many types of bears, like this black bear, near the roadways or up on the ridges of Yellowstone in the summertime, usually foraging for food.