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THIS IS A 19 PAGE BOOKLET. ... Read more

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Chapters: Geysers of New Zealand, Hot Springs of New Zealand, Spa Towns in New Zealand, Taupo Volcanic Zone, Rotorua, Orakei Korako, Whakarewarewa, Champagne Pool, Hanmer Springs, Parakai, Waimangu Geyser, Te Waikoropupu Springs, Hot Springs in New Zealand, Hot Water Beach, Lady Knox Geyser, Wai-O-Tapu, Te Aroha, Wairakei, Miranda, New Zealand, Waiwera, Te Puia Springs, Waiwera Hot Pools, Ngawha Springs, Frying Pan Lake, Pohutu Geyser. Source: Wikipedia. Pages: 76. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: The Taupo Volcanic Zone is a highly active volcanic area in the North Island of New Zealand. It is named after Lake Taupo, the flooded caldera of the largest volcano in the zone. There are numerous volcanic vents and geothermal fields in the zone, with Mount Ruapehu, Mount Ngauruhoe and White Island erupting most frequently. The zone's largest eruption since the arrival of Europeans was that of Mount Tarawera in 1886, which killed over 100 people. Early Mori would also have been affected by the much larger Kaharoa eruption from Tarawera around 1300 CE. The last major eruption from Lake Taupo, the Hatepe eruption, occurred in 181 CE. It is believed to have first emptied the lake then followed that feat with a pyroclastic flow that covered about 20,000 square kilometres of land with volcanic ash. A total of 120 km³ of material is believed to have been ejected, and over 30 km³ of material is estimated to have been ejected in just a few minutes. The date of this activity is known since the ash expulsion was sufficiently large to turn the sky red over Rome and China (as documented in Hou Han Shu). Taupo erupted an estimated 1,170 km³ of material in its Oruanui eruption 26,500 years ago. This was Earth's most recent eruption reaching VEI-8, the highest level on the Volcanic Explosivity I...More: http://booksllc.net/?id=265776 ... Read more

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Chapters: Aquifers in Australia, Geysers of New Zealand, Hot Springs of American Samoa, Hot Springs of New Zealand, Spa Towns in New Zealand, Springs of Australia, Springs of New Zealand, Great Artesian Basin, Alice Springs, Northern Territory, Taupo Volcanic Zone, Rotorua, Hepburn Springs, Victoria, Orakei Korako, Whakarewarewa, Champagne Pool, Hanmer Springs, Parakai, Yarragadee Aquifer, Waimangu Geyser, Te Waikoropupu Springs, Hot Springs in New Zealand, Hot Water Beach, Lady Knox Geyser, Wai-O-Tapu, Eel City, Te Aroha, Dalhousie Springs, Wairakei, Miranda, New Zealand, Waiwera, Bitter Springs, Te Puia Springs, Waiwera Hot Pools, Ngawha Springs, Frying Pan Lake, Pohutu Geyser. Source: Wikipedia. Pages: 115. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt:Lightning Ridge bathing thermes supplied by artesian bore waterHot water bore hole into the Great Artesian Basin in Thargomindah The Great Artesian Basin provides the only reliable source of freshwater through much of inland Australia . The basin is the largest and deepest artesian basin in the world, covering a total of 1,711,000 square kilometres (661,000 sq mi), with temperatures measured ranging from 30°C to 100°C. It underlies 23 % of the continent, including most of Queensland , the south-east corner of the Northern Territory , the north-east part of South Australia , and northern New South Wales . The basin is 3,000 metres (9,800 ft) deep in places and is estimated to contain 64,900 cubic kilometres (15,600 cu mi) of groundwater . The Great Artesian Basin Coordinating Committee (GABCC) coordinates activity between the various levels of government and community organisations.Physiography This area is one of the distinct physiographic provinces of the larger East Australian Basins division, and includes the smaller Wilcannia Threshold physiographic section.Geology T... ... Read more

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Les achats comprennent une adhésion à l'essai gratuite au club de livres de l'éditeur, dans lequel vous pouvez choisir parmi plus d'un million d'ouvrages, sans frais. Le livre consiste d'articles Wikipedia sur : Mammoth Hot Springs, Old Faithful, Grand Prismatic Spring, Excelsior Geyser, Steamboat Geyser, Alexander Springs, Juniper Springs, Silver Glen Springs, Salt Springs. Non illustré. Mises à jour gratuites en ligne. Extrait : Les Mammoth Hot Springs sont un édifice mineral calcaire naturel de type tufière se trouvant dans le Parc national de Yellowstone aux États-Unis. Les Mammoth Hot Springs sont un grand édifice de travertin, formé pendant plusieurs milliers d'années par les eaux chaudes du Yellowstone, ayant coulé et ayant déposé du carbonate de calcium. (Plus de deux tonnes d'eau chaudes coulent du Mammoth Hot Springs chaque jour). Lorsque les eaux se refroidissent, elles déposent le carbonate de calcium, qui avec le temps finit par créer des vasques et des plateformes caractéristiques. Des traces d'oxyde de fer passent par le même phénomène, ce qui explique la coloration rougeâtre de certaines terrasses. Wapitis se baignant dans les vasques chaudes du Mammoth Hot SpringsLes eaux chaudes de Mammoth Hot Springs ont la particularité d'attirer les wapitis. Une partie des terrasses de cette construction naturelle sont moins chaudes (environ 45°) que les sources chaudes, les fumerolles et les geysers (de 75° à 500°). Les waptitis y ont établi dans la zone un territoire distinct, y compris pour l'élevage des petits. L'hiver, où les conditions sont relativement rudes, ces derniers se baignent dans les bassins thermaux des terrasses ; une stratégie de survie qui a surpris les biologistes et qui a poussé ces derniers à considérer les Mammoth Hot Springs comme un écosystème à part entière. On retrouve d'ailleurs un tel comportement chez les macaques japonais, si ce n'est que ces derniers ont appris ce geste en copiant l'homme,...http://booksllc.net/?l=fr ... Read more

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High Quality Content by WIKIPEDIA articles! A spring is any natural occurrence where water flows on to the surface of the earth from below the surface. Thus it is where the aquifer surface meets the ground surface. A spring may be the result of karst topography where surface water has infiltrated the Earth's surface (recharge area), becoming part of the area groundwater. The groundwater then travels though a network of cracks and fissures - openings ranging from intergranular spaces to large caves. The water eventually emerges from below the surface, in the form of a spring. ... Read more

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Publisher: København, B. LunosPublication date: 1910Subjects: Springs -- IcelandGeysers -- IcelandNotes: This is an OCR reprint. There may be numerous typos or missing text. There are no illustrations or indexes.When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. You can also preview the book there. ... Read more