| It was preserved because of its amazing hot springs, fumaroles and geysers. |
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| Realgar is most frequently encountered in epithermal hydrothermal settings such as shallow veins, hot springs, and fumaroles. |
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| Walk the boardwalk by Old Faithful for both wildlife viewing and a fascinating view of hot springs, mud pots, fumaroles, and geysers. |
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| Hydrogen sulfide and steam belch from these fumaroles or solfataras located on the floor of Hawaii's Kilauea Caldera. |
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| Other solfataras and fumaroles have produced a plethora of sulfates, and it is plausible that additional sulfates occur at El Desierto. |
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| The banks on both sides of the river are marked by innumerable steam jets, ngawhas, fumaroles, and geysers. |
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| Orpiment is most frequently encountered in epithermal hydrothermal settings such as veins, hot springs, fumaroles. |
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| Surface geothermal manifestations include hot steaming ground, fumaroles, mud pools, and warm to boiling hot springs. |
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| But while the ancient imagination doubtless conjured up giants in plumes of gas from fumaroles, the earthquakes that Pliny described so casually were more than just portents. |
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| Americans Mike Conway and Andy Macfarlane and Ecuadoran geochemist Luis LeMarie were going to insert temperature probes, known as thermocouples, into the fumaroles. |
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| This includes what we call volcanoes, as well as geysers and fumaroles. |
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| Most of the mountains are clastic stratovolcanic sediments, and the abundant solfataras and fumaroles, many of which are still active, are the last phases of the volcanism. |
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| Earthquakes, hot springs, fumaroles, mud pots and geysers often accompany volcanic activity. |
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| Altering of wall rocks can also form sinters near fumaroles and in the deeper channels of hot springs. |
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| These include geysers, fumaroles, hotsprings and mudpots, they are often used as a source of geothermal energy. |
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