Norris Geyser Basin Yellowstone Np
by NPS Photo Frank J Haynes
Title
Norris Geyser Basin Yellowstone Np
Artist
NPS Photo Frank J Haynes
Medium
Photograph - Photograph
Description
Postcard of Norris Geyser Basin photographed by Frank J. Haynes, 1920. The Norris Geyser Basin is the hottest geyser basin in Yellowstone NP and is located near the northwest edge of Yellowstone Caldera near Norris Junction and on the intersection of three major faults. The Basin consists of three main areas Porcelain Basin, Back Basin, and One Hundred Springs Plain. Unlike most of other geyser basins in the park the waters from Norris are acidic rather than alkaline. The difference in pH allows for a different class of bacterial thermophiles to live at Norris, creating different color patterns in and around the Norris Basin waters. Yellowstone National Park is a national park located primarily in the state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone, widely held to be the first national park in the world, is known for its wildlife and its many geothermal features. The park spans an area of 3,468.4 square miles. The Yellowstone Caldera is the largest supervolcano on the continent. Half of the world's geothermal features are in Yellowstone, fueled by this ongoing volcanism. Lava flows and rocks from volcanic eruptions cover most of the land area of Yellowstone. The park is the centerpiece of the Greater Yellowstone Ecosystem, the largest remaining nearly-intact ecosystem in the Earth's northern temperate zone. Hundreds of species of mammals, birds, fish and reptiles have been documented, including several that are either endangered or threatened. The vast forests and grasslands also include unique species of plants. Yellowstone Park is the largest and most famous megafauna location in the Continental United States.
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July 29th, 2014
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