41. Geysers In The United States geysers are natural hot springs that intermittently eject a column of water and Most of the geysers and the 4000 or more hot springs are located in the http://www.infoplease.com/ipa/A0001803.html

in All Infoplease Almanacs Biographies Dictionary Encyclopedia Daily Almanac for Sep 21, 2005 Skip Navigation Home Almanacs ... Word of the Day Editor's Favorites Hispanic Heritage Month Hurricane Katrina Daylight Saving Time Ramadan ... Texas Infoplease Tools Periodic Table Conversion Tool Perpetual Calendar Year by Year ... Site Map College Center Scholarship Search College Resources Career Center Job Search Post Your Resume Continuing Ed. more . . . Search: Infoplease Info search tips Search: Biographies Bio search tips World Geography United States Geography Geysers in the United States Geysers are natural hot springs that intermittently eject a column of water and steam into the air. They exist in many parts of the volcanic regions of the world such as Japan and South America but their greatest development is in Iceland, New Zealand, and Yellowstone National Park. There are 120 named geysers in Yellowstone National Park, Wyoming, and perhaps half that number unnamed. Most of the geysers and the 4,000 or more hot springs are located in the western portion of the park. The most important are the following: Norris Geyser Basin has 24 or more active geysers; the number varies. There are scores of steam vents and hot springs.

42. Comstock Images Category Search Results Hot Springs/Geysers root categories Nature/Scenic hot springs/geysers. Sorry! We were unable tofind results for your request. Want us to do the research for you? http://www.comstock.com/web/search/categories/CategoriesThumbnails.asp?catid=282

43. Ellsworth Huntington Quotes Ellsworth Huntington The geysers and hot springs of the Yellowstone are anotherproof of recent volcanic activity. http://www.brainyquote.com/quotes/quotes/e/ellsworthh231205.html

Atlas Dictionary Encyclopedia Geography ... Add the "Quote of the Day" to Your Site or Blog - it's Easy! Web brainyquote.com Ellsworth Huntington Quotes The geysers and hot springs of the Yellowstone are another proof of recent volcanic activity. Ellsworth Huntington Type: Educator Quotes Amazon: Ellsworth Huntington on Amazon Related Authors: Christopher Love David Smith John W. Gardner Joseph Lancaster ... Seth Lloyd More Ellsworth Huntington Quotations: A journey of four hundred... According to the now almost... After washing there was no... Again and again, to be... ... Year by year we are... Quote Keywords: Activity Another Hot Proof ... Yellowstone Dictionary Links: Activity And Another Are ... Volcanic Encyclopedia Links: Activity Are Hot Proof ... RSS Feeds About Us Inquire Privacy Terms

44. מעיינות חמים וגייזרים - The summary for this English page contains characters that cannot be correctly displayed in this language/character set. http://lib.cet.ac.il/Pages/itemabs2.asp?item=8485&id=6

45. Park Tour: The Geyser Basins: Old Faithful To Mammoth Hot Springs @ Nationalgeog Begin by leaving your car in the parking lot at Old Faithful. Check at the visitorcenter for predicted eruption times of the major geysers. http://www.nationalgeographic.com/destinations/Yellowstone_National_Park/The_Gey

- Map: Political/Street Planning Your Trip Orientation When to Go Statistics Getting There ... Yellowstone National Park Park Tour The Geyser Basins: Old Faithful to Mammoth Hot Springs This Tour Comes From... National Geographic's Guide to the Lewis and Clark Trail National Geographic Books Begin by leaving your car in the parking lot at Old Faithful. Check at the visitor center for predicted eruption times of the major geysers. While there, pick up an Upper Geyser Basin map (also available from area dispensers). Wait on benches near the visitor center for the eruption of Old Faithful (named and celebrated for its steadiness rather than a predictable schedule of eruptions) or walk the path that circles it. Almost any point along the path offers a good view of the eruption so don’t worry if you’re not at the benches when it happens. You can see from here that Old Faithful is not alone. The mile-long [1.6-kilometer-long] Upper Geyser Basin contains the world’s greatest concentration of hot springs and geysers. CONTINUED (Continued From Top) The “star” of Yellowstone is Old Faithful, a geyser that puts on its show 21 to 23 times a day, reaching as high as 180 feet (55 meters).

46. The Total Yellowstone Geyser Page which shows the boardwalks and the locations of some of the major geysers andhot springs. MAMMOTH hot springs The activity here changes quickly. http://www.yellowstone-natl-park.com/geyser.htm

The Total Yellowstone Geyser Page Steamboat Steam Phase of Eruption Old Faithful Geyser Page or Steamboat Geyser Page Geyser information provided by the Geyser Guru David Monteith The Top Three - Geyser Areas In my opinion the three "must-sees", in their order of importance, are The Upper Geyser Basin (home to Old Faithful Geyser), the Grand Canyon of the Yellowstone and the Fountain Paint Pot Trail. These areas are described below: 1. OLD FAITHFUL and the UPPER GEYSER BASIN: Of course, everyone goes to see Old Faithful but few walk even the short distance needed to cross the river and see Geyser Hill and even less spend time in the rest of the geyser basin. Please plan to spend some time in this area - there is a lot more to see than just Old Faithful! This one square mile basin is home to hundreds of geysers and some very pretty hot springs. Take your time and explore. Sit, relax and watch some of the geysers. Only by taking your time can you experience Yellowstone's unique thermal wonders. An interpretive pamphlet about the Upper Geyser Basin is available at the visitor center and at the start of the boardwalk behind Old Faithful. Pamphlets cost $0.25 (1995) but may be borrowed and returned at the trail head at no charge. Besides describing some of the basins features the pamphlet also includes a map of the basin which shows the boardwalks and the locations of some of the major geysers and hot springs.

47. Cool Facts About Hot Springs And Geysers There s a wide variety of hot springs and geysers to learn about in Yellowstone. http://www.yellowstonetreasures.com/geyser_facts.htm

Nugget 20: Cool Facts about Hot Springs and Geysers Hot springs, geysers, and fumaroles (or steam vents) can together be called thermal features. The largest hot spring in the park, and one of the largest in the world, is Grand Prismatic Spring ( left Q: How many thermal features are there in Yellowstone? A: Nobody knows. Actually, a thorough inventory is under way. Until that is completed, the best guess seems to be that the park has about 10,000 thermal features. Most geyser experts put the number of geysers in Yellowstone at 400 to 500. According to T. Scott Bryan's The Geysers of Yellowstone , "There are more geysers [in Upper Geyser Basin alone] than in any other area of either Yellowstone or the world." Q: What exactly is a geyser? A: A geyser is a hot spring that throws forth jets of water and steam intermittently. See the Upper Geyser Basin excerpt for some telltale signs of active geysers. For a full explanation of how a geyser works, see pages 88 to 90 in Yellowstone Treasures Q: How hot are Yellowstone's hot springs?

48. Yellowstone's Thermal Features: Geysers, Hot Pools, Fumaroles And Mudpots Plume Geyser geysers are hot springs that erupt periodically. hot springsare similar to geysers, but their underground channels are large enough to http://www.yellowstone.net/geysers/thermalfeatures.htm

YELLOWSTONE NATIONAL PARK by Yellowstone Net The Geysers of Yellowstone Thermal Features: Geysers, Hot Springs, Fumaroles, Mudpots Founded in 1997, Yellowstone Net is the Trusted Online Source for Yellowstone Information and Reservations Quick Menu to Other Pages Lodging Reservations Activity Reservations WebCams Online Tours Maps News Weather Introduction to Yellowstone Wildlife Geysers Road Conditions Calendar Top 10 Yellowstone Sights Visitor Centers Discussion Forum History of Yellowstone Fast Facts Fishing Hiking Backcountry Camping Skiing More Photos Free Stuff Games Education Support the Park Site Directory Site Search HOME SPONSORED LINKS An Introduction to the Geysers of Yellowstone. **Select a Geyser** Beehive Castle Clypsdera Cliff Echinus Fountain Great Fountain Grand Jet Lion Old Faithful Plume Riverside Sawmill White Dome Upper Geyser Basin Lower Geysers Basin Norris Geysers Basin Other Geyser Basins ... Video Gallery Geysers Hot Springs are similar to geysers, but their underground channels are large enough to allow rapid circulation of water. Rising hot water releases heat energy by evaporation or hot water runoff, while convection currents return the cooler water to the underground system, thus maintaining equilibrium. The microorganisms which live in and around the hot springs often make the pools very colorful.

49. Geysers geysers are always associated with hot springs and other hydrothermal hot springs, with which geysers are always associated, are much more common, http://www.du.edu/~jcalvert/geol/geyser.htm

How Geysers Work Geysers are named after a famous example, the great Geysir of Iceland, located northwest of Mt. Hekla, an active volcano in the south-central part of the island. The name means "roarer" in Icelandic. Geysers are distinguished by periodic forceful eruptions of water to heights of 100' to 200' (the record is 1500'). After the water comes a blow of steam, responsible for the roaring. The periodicity and vigor of these eruptions is what we want to understand. Geysers are always associated with hot springs and other hydrothermal activity, but are rather unusual phenomena. Iceland is located on the Mid-Atlantic ridge, a spreading centre noted for its basic igneous activity. The North Island of New Zealand and the Kamchatka Peninsula also have remarkable geysers. The North Island is just to the west of the southernmost part of the Kermadec Trench, where the Pacific plate is subducting beneath the Australian plate. The geysers are mainly located in the hydrothermal area in the centre of the island, near Lake Taupo, surrounded by three active volcanoes. Kamchatka is just west of the northern end of the Kuril Trench, where it turns eastward as the Aleutian trench. The Pacific plate is moving northwestward relative to the North American plate in this area, and is being subducted beneath it. Kamchatka has many active volcanoes, including beautifully symmetric, snow-covered Klyuchevskoy, 15,600 ft. high with a wisp of vapor normally at the summit crater. The Dolina Geizerov

50. Dummies::Discovering Yellowstone National Park From the world s greatest collection of geysers and hot springs to sparklingalpine lakes, rugged peaks, and an incredible array of wildlife, http://www.dummies.com/WileyCDA/DummiesArticle/id-2933.html

Add Dummies General Interest eTips to My Yahoo! My Yahoo! Home ... U.S. Travel Discovering Yellowstone National Park Discovering Yellowstone National Park Adapted From: National Parks of the American West For Dummies, 3rd Edition Which park in America is best known? Yellowstone National Park, hands down. Nowhere else can you find the diversity that distinguishes this park. From the world's greatest collection of geysers and hot springs to sparkling alpine lakes, rugged peaks, and an incredible array of wildlife, Yellowstone packs more into its boundaries than any other American park. Early explorers called it "Wonderland" for good reason. With more than 10,000 geothermal features in all shapes, sizes, temperaments, and temperatures, Yellowstone is geyser central. Old Faithful is just one of roughly 150 geysers in the park's Upper Geyser Basin. In the Midway Geyser Basin simmers Grand Prismatic Spring, the park's largest spring with its 370-foot diameter. Grand Prismatic is an azure-hued hot spring ringed by yellow and orange algae. At Mammoth Hot Springs, centuries of cascading, mineral-laden hot water have stacked brilliantly white terraces one atop another. These and the rest of Yellowstone's thermal features are constantly changing. Some die out, others get feistier, and new ones spit, claw, and fume into existence through rifts in the earth. Not to be upstaged by these waterworks is Yellowstone's animal kingdom.

51. RetY.org - Picture Album - Geysers And Hot Springs RetY.org Picture Album - geysers and hot springs. http://www.rety.org/section/80

RetY.org Home Yellowstone N.P. > Geysers and Hot Springs Geysers and Hot Springs Black Sand Basin Black Sand Basin Black Sand Basin Black Sand Basin Black Sand Basin Emerald Pool Black Sand Basin Black Sand Basin Fountain Paint Pots Fountain Paint Pots Fountain Paint Pots Fountain Paint Pots Fountain Paint Pots Fountain Paint Pots From the West Entrance From the West Entrance From the West Entrance From the West Entrance From the West Entrance

52. Geography - Yellowstone Volcano, Caldera The hot water conduits feeding geysers and hot springs become clogged by mineralsthat precipitate out of the water, just as waterlines in home block with http://www.westyellowstonenet.com/area_info/geography.php

TRAVEL GUIDES : Yellowstone Grand Teton Big Sky Bozeman Cody Jackson Hole Red Lodge West Yellowstone West Yellowstone in the Yellowstone Caldera - an ancient volcano. home site map about us request a link ... WIN A TRIP! supporters Buffalo Bill Center Attractions Lodging Reservations ... SEND THIS PAGE TO A FRIEND Geography Majestic mountains, dazzling arrays of geysers, and magnificent wildlife are among the world-famous features of Yellowstone National Park. Yet most visitors are unaware that the crown jewels of the United States national park system are the still-evolving products of activity within the Earth. These geological processes such as volcanism, earthquakes, movements of tectonic plates are key elements in shaping the planet's landscape. Yellowstone is a park that truly is a window into the Earth, revealing much about these processes. Featured Listings West Yellowstone, Montana hiking, biking, paddling, ski resorts, waterfalls, scenic drives and fishing maps, topos, trails info. Free 15 day Trial. more The nation's first national park, Yellowstone National Park, was designated in 1872. This region was molded both by tectonics and by the Yellowstone hotspot, a source of heat and molten rock with roots deep within the Earth. The hotspot produces volcanic activity ranging from hot springs and geysers to cataclysmic eruptions. The beauty of the region helped inspire the global environmental ethic, and its geology has revealed new ideas on volcanism, active mountain building, earthquakes, and glaciation. It is recognized that Yellowstone is an active volcano, a supervolcano, and is home to the world's largest concentration of thermal features.

53. Renewable Energy Annual 1996 still powers the park’s famous geysers, hot springs, fumaroles, and mud pots . Many perpetual spouters, hot springs, venting hot and cold wells, http://www.eia.doe.gov/cneaf/solar.renewables/renewable.energy.annual/appc.html

Home Renewables Renewables Publications Renewable Energy Annual 1996 Appendix C Appendix C Geothermal Energy and Geysers No two geysers behave in exactly the same way . Studying the system of underground passages that supplies any one of them is a technological challenge. Geysers are distinct from other subterranean emissions. For example, while a volcano vents molten matter, solid rock and gases are released. On the other hand, fumaroles emit only gases or gases and water, but they do not spit water into the air as do geysers. During a late stage of volcanic activity, fumaroles occur along fissures or in apparently chaotic clusters or fields above hot spots in the mantle. Fumaroles are also sometimes described by the composition of their gases as, for example, in chlorine fumaroles. Although not violent, fumaroles can be dangerous to humans and livestock if hazardous or toxic fumes are inhaled. Three components must be present for geysers to exist: an abundant supply of water, an intense source of heat, and specialized plumbing. Remote locations or locations legislatively protected from human activity are becoming increasingly important to maintaining geysers. The set of requirements make geysers a rare geological phenomenon. Water is sometimes not available, as in an arid part of the country. Heat may be close to the surface only along a fault line, where a tectonic plate is being subducted, from volcanic activity, or from a hard to explain hot spot. Even if both water and heat are present, the right plumbing is critical.

54. Dominica's Hot Water: A Guide To Geo-thermal And Volcanic Sites On The Caribbean hot boiling mud, minigeysers and fumaroles are scattered in the Valley. Site user fees are applicable when visiting the Soufriere hot springs. http://www.avirtualdominica.com/hotwater.htm

Dominica's Hot Water Related Links The Boiling Lake Geology of Dominica Hiking in Dominica Search the site Advanced Search Introduction D ozens of sulphur springs, bubbling pots and the famous Boiling Lake suggest an island that's ready to blow its top. On the contrary - while nearby islands erupt (Montserrat now, neighbouring Martinique earlier this century), Dominica just simmers gently, on the lowest of heats. But wherever you are on the island, there's never a bit of hot water far away. You may even catch the smell of sulphur in the wind... Morne Aux Diables Volcano World says of Dominica: The island... consists mostly of breccias, domes, pyroclastic flows, and lavas derived and erupted from at least seven volcanic centers. There have been no historic eruptions on the island. However, in 1880, there was a steam blast in the Valley of Desolation. Four solfataric areas, including the famous Boiling Lake, remain active. Boiling Lake The Boiling Lake is located 5 miles (8km) east of Roseau in the heart of Morne Trois Pitons National Park The first recorded sighting of the Lake was in 1870 by Mr. Watt and Dr. Nicholls, two Englishmen working in Dominica at that time. In 1875, Mr. H. Prestoe, a government botanist, and Dr. Nicholls were commissioned to investigate this natural phenomenon. They measured the water temperature and found it to range from 180 to 197 degrees Fahrenheit (82 - 91.5 Celsius) along the edges, but could not measure the temperature at the centre where the Lake is actively boiling. They recorded the depth to be greater than 195ft (59m).

55. Travels - Yellowstone National Park - Geysers And Hot Springs Yellowstone National Park geysers and hot springs. Old Faithful Inn Lower Geyser Basin. Norris Geyser Basin. hot springs and Pools. Fountain Flats http://www.asimov.de/gallery_canada_yellowstone.html

Travel Reports USA Yellowstone National Park - Geysers and Hot Springs Old Faithful Inn Sunset at Old Faithful Geyser Grand Geyser Riverside Geyser and Grotto Geyser Great Fountain Geyser Lower Geyser Basin Norris Geyser Basin Hot Springs and Pools Fountain Flats Mammoth Hot Springs Yellowstone Canyon back to the USA Gallery Last updated January 15, 2003 by matthias.ott@asimov.de

56. Life At High TemperaturesLife At High Temperatures that live in the boiling waters and runoff channels of the geysers and hotsprings. The microorganisms of the hot springs are mostly bacteria, http://www.bact.wisc.edu/Bact303/b3

Life at High Temperatures by Thomas D. Brock Yellowstone's Hidden Biological Resources Yellowstone Lake from the West Thumb Geyser Basin For over 100 years, visitors to Yellowstone have been fascinated by the large populations of big animals, such as elk, moose, buffalo, and bear. However, these beautiful animals represent only a tiny fraction of the significant biological resources of Yellowstone. The visitor might be surprised to learn that the living organisms in Yellowstone that have had the greatest economic impact on society are quite invisible. These are the microorganisms that live in the boiling waters and run-off channels of the geysers and hot springs. Although their color is visible to the naked eye, an individual microbial cell is so small as to be completely invisible. It is only because of their vast numbers that we know they are there. The microorganisms of the hot springs are mostly bacteria, but at the lower temperatures algae and protozoa are also present. Bacteria are so tiny that 500 of them could be placed end to end across the period at the end of this sentence. Only with a microscope can a single bacterial cell be seen. Although we often think of bacteria only as the causes of disease, most of the bacteria present in the world are completely harmless. Many bacteria, including some from Yellowstone, are actually very helpful.

57. Hot Springs/Geysers - Eduseek The Eduseek page about hot springs/geysers. geysers, Fumaroles and hotsprings Information and photos from the USGS on these natural features. http://www.eduseek.com/static/navigate4739.html

Home Subjects Help Age Groups Subjects Geography Geography - 16+ Physical World ... Hot Springs/Geysers Links Yellowstone's Geyser's - Case study information on these famous US geysers Geysers and the Earth's Plumbing System - Fairly technical information on the operation of geysers Geysers, Fumaroles and Hot Springs - Information and photos from the USGS on these natural features. Old Faithful - Discovery Online - Information on this famous geyser from the discovery channel. Link to us Add Eduseek to your site Newsletter Press ... Map

58. PBS Online: Yellowstone: Teacher Resources geysers, mudpots, hot springs, and waterfalls are just a few of the natural research the geologic wonders (geysers, hot springs, mud pots, canyons, http://www.pbs.org/edens/yellowstone/teach1.html

Let's Go! Virtual Yellowstone Tour Grade Level: 4-6 Background Objectives Standards Materials ... Resources Background Yellowstone National Park, established in 1872, is known for its unique geologic features and stunning wildlife. Geysers, mudpots, hot springs, and waterfalls are just a few of the natural attractions that Yellowstone has to offer. A geyser is a column of hot water and steam that erupts from the earth's surface. Pools of water deep under the earth's surface are heated to the point of boiling. As the pressure builds from the boiling, the water and steam explode into the air through underground cracks in the earth and burst into the air in the form of a geyser. Hot springs are pools of hot water that have seeped to the earth's surface to form small ponds. At Yellowstone, algae and bacteria flourish in the hot springs and give the rocks beautiful hues of color. The mineral deposits from the water form terraces and other rock formations. Boiling ponds of mud ( mudpots ) are also present and are formed by sulfuric acid in the water. The acid dissolves the rock into tiny pieces of clay and the clay mixes with the hot water to make mud. As the steam rises from the within the earth, the mud bubbles as the steam releases into the air. Yellowstone River runs right through the park. The river flowed during a time period of massive uplift of the area that was caused by forces deep within the earth. The combination of river erosion and uplift has resulted in spectacular canyons and waterfalls within the park.

59. Press Kit There are more geysers and hot springs in Yellowstone than in the rest of the geysers are hot springs with such mounting pressure that periodically they http://www.westyellowstonechamber.com/presskit/historicalhighlights.htm

site map Back to Press Kit This little town of 1,020 people holds its own for snowmobiling, too. Snowmobile enthusiasts refer to it as the "snow sports capital of the world." Riders can walk right out of their motel room and "saddle up." Snowmobiles are permitted on the streets of West Yellowstone for easy trail access. More than 600 miles of groomed trails await snowmobilers, making this a great family sport for those who want to enjoy nature and winter recreation as a two-in-one package. In March, the World Snowmobile EXPO comes to town; if you ever need to know something about snowmobiling, this is the time to go. Earthquakes ~ Earthquakes continue to rock the area. In 1983, Mount Borah (the highest peak in Idaho) experienced a 7.3 Richter Scale earthquake that shook the West Yellowstone region. Additional fault scarps can be seen in the Grand Tetons and the Centennial Tectonic Belt. Mud pots, geysers and hot springs ~ Geysers are hot springs with such mounting pressure that periodically they must erupt to release their force. Old Faithful is the most famous geyser, erupting every 78 - 105 minutes. Often called "paint pots," mud pots make the most playful noise of the hot spring family. Clay and minerals combine to make a smelly, gurgling, soupy mixture that burps and spits its mud contents.

60. The Family Travel Network These easy boardwalk trails wind past forty steamy geysers, and hot bubbling pools Mammoth hot springs. As the acidic waters of Mammoth hot springs pass http://www.familytravelnetwork.com/articles/yellowstone_gfv.asp

E-mail this page to a friend GREAT FAMILY VACATIONS:Yellowstone National Park No family member will ever be bored in a national park as spectacular as Yellowstone. This important and impressive geothermal region continues to display some of the powerful forces deep within the earth. Old Faithful erupts spraying steam hundreds of feet into the air. But this well-know geyser with a habit of spouting on schedule is just one of many that mark the landscape. Yellowstone offers much more than geysers. Admire the canyon, hike through forests along trails that lead to waterfalls, take scenic boat trips on the lake, fish for trout, ride horseback in the back country, and just look your car window to see bison, moose and bighorn sheep in their native habitat. Yellowstone can be "divided" into five different regions Geyser Country, full of fumaroles, mud pots, hot pools and home to Old Faithful; Mammoth Country, a thermal area of hot springs; Roosevelt Country, where the park offers stagecoach rides and rugged scenery; Canyon Country, made dramatic by the Grand Canyon of Yellowstone; and Lake Country, where moose and sometimes bear roam the shores of Yellowstone Lake, where the native cutthroat trout is plentiful. For park dining, camping, lodging and tour information, contact AMFAC, 307-344-7381

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