Back النبع المنشوري الكبير Arabic Grand Prismatic Spring Catalan Grand Prismatic Spring CEB Grand Prismatic Spring Czech Мӑн призмӑллӑ ҫӑлкуҫ CV Grand Prismatic Spring Danish Grand Prismatic Spring German Gran Fuente Prismática Spanish Grand Prismatic Spring French Մեծ պրիզմատիկ աղբյուր Armenian
| Grand Prismatic Spring | |
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&lang=en&file=File:Grand_Prismatic_Spring_and_Midway_Geyser_Basin_from_above.jpg) Grand Prismatic Spring from an overlook | |
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| Location | Midway Geyser Basin, Yellowstone National Park, Teton County, Wyoming |
| Coordinates | 44°31′30″N 110°50′17″W / 44.5250489°N 110.83819°W[1] |
| Elevation | 7,270 feet (2,220 m)[2] |
| Type | Hot spring |
| Discharge | 560 US gallons (2,100 L) per minute |
| Temperature | 160 °F (70 °C) |
| Depth | 160 feet (50 m) |
The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world,[3] after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. It is located in the Midway Geyser Basin.
Grand Prismatic Spring was noted by geologists working in the Hayden Geological Survey of 1871, and named by them for its striking coloration. Its colors match most of those seen in the rainbow dispersion of white light by an optical prism: red, orange, yellow, green, and blue.[4]
- ^ "Grand Prismatic Spring". Yellowstone Geothermal Features Database. Montana State University.
- ^ "Grand Prismatic Spring". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Steam Explosions, Earthquakes, and Volcanic Eruptions—What's in Yellowstone's Future?". U.S. Geological Survey.
- ^ Traci Bryan; Leslie Machen; Joyce Heinsz; Peggy McCracken. "Grand Prismatic Spring". Lunar and Planetary Institute. Retrieved December 4, 2015.
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