Results 281 to 290 of about 24,812 (309)
, 2009 Wie wir gesehen haben, werden bei Vulkanausbruchen glutheise Gesteinsschmelzen aus dem Erdinnern gefordert, die unter sturmischer Entgasung ausfliesen oder explosiv herausgeschleudert werden. Man muss daraus schliesen, dass im Erdinnern glutheise Schmelzen existieren, in denen leichtfluchtige (volatile) Komponenten gelost sind.
Martin Okrusch, Siegfried Matthes
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Quarterly Journal of the Geological Society of London, 1933
The geology and physical geography of Mauritius formed the subject of a communication to the Geological Society by Major H. de Haga Haig in 1895, 1 which has been the basis of subsequent descriptions of the island in the Encyclopædia Britannica and elsewhere.
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The geology and physical geography of Mauritius formed the subject of a communication to the Geological Society by Major H. de Haga Haig in 1895, 1 which has been the basis of subsequent descriptions of the island in the Encyclopædia Britannica and elsewhere.
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Geological Society, London, Special Publications, 2015
Abstract Prediction of the emplacement of volcanic mass flows (lava flows, pyroclastic density currents, debris avalanches and debris flows) is required for hazard and risk assessment, and for the planning of risk-mitigation measures. Numerical computer-based models now exist that are capable of approximating the motion of a given volume of ...
Cordonnier, B., Lev, E., Garel, Fanny
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Abstract Prediction of the emplacement of volcanic mass flows (lava flows, pyroclastic density currents, debris avalanches and debris flows) is required for hazard and risk assessment, and for the planning of risk-mitigation measures. Numerical computer-based models now exist that are capable of approximating the motion of a given volume of ...
Cordonnier, B., Lev, E., Garel, Fanny
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New Scientist, 2016
Ceurstemont talks about a photograph of the Laki fissure in southern Iceland. During this event, named the Laki eruption, the Grimsvotn volcano and a 27-kilometre-long fissure-as well as massive craters, like the one shown here--erupted for eight months. Lingering ash and volcanic gases cooled global temperatures for about three years.
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Ceurstemont talks about a photograph of the Laki fissure in southern Iceland. During this event, named the Laki eruption, the Grimsvotn volcano and a 27-kilometre-long fissure-as well as massive craters, like the one shown here--erupted for eight months. Lingering ash and volcanic gases cooled global temperatures for about three years.
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The Journal of Geology, 1939
Palmer, by assuming that the Alika flow of Hawaii when liquid was turbulent, found that its viscosity was 15 times that of water. Becker, who also assumed turbulent motion, found that the viscosty of the 1840 flow of Hawaii was 60 times that of water.
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Palmer, by assuming that the Alika flow of Hawaii when liquid was turbulent, found that its viscosity was 15 times that of water. Becker, who also assumed turbulent motion, found that the viscosty of the 1840 flow of Hawaii was 60 times that of water.
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Journal of Volcanology and Geothermal Research, 2006
A physical model of a generic lava lake system is developed. We derive the requisite conditions for the existence of an ‘equilibrium lava lake’ in which magmastatic pressure at the base of the conduit balances the pressure in the underlying magmatic reservoir.
Witham, F, Llewellin, EW
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A physical model of a generic lava lake system is developed. We derive the requisite conditions for the existence of an ‘equilibrium lava lake’ in which magmastatic pressure at the base of the conduit balances the pressure in the underlying magmatic reservoir.
Witham, F, Llewellin, EW
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Applied Optics, 2011
An interesting optical focusing effect occurred in the early heating phases of a simple model of a lava lamp that was constructed to demonstrate convection effects. During this early heating phase, the interface between the two immiscible liquids was found to form a surface of rotation with a conic cross section that acted as a mirror to produce an ...
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An interesting optical focusing effect occurred in the early heating phases of a simple model of a lava lamp that was constructed to demonstrate convection effects. During this early heating phase, the interface between the two immiscible liquids was found to form a surface of rotation with a conic cross section that acted as a mirror to produce an ...
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Bulletin of Volcanology, 1991
Tumuli are positive topographic features that are common on Hawaiian pahoehoe lava flow fields, particularly on shallow slopes, and 75 measured examples are presented here to document the size range. Tumuli form by up-tilting of crustal plates, without any crustal shortening, and are thus distinguished from pressure ridges which are up-buckled by ...
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Tumuli are positive topographic features that are common on Hawaiian pahoehoe lava flow fields, particularly on shallow slopes, and 75 measured examples are presented here to document the size range. Tumuli form by up-tilting of crustal plates, without any crustal shortening, and are thus distinguished from pressure ridges which are up-buckled by ...
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