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Now showing items 2430-2449 of 42285
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-17)
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(PANGAEA, 2018-01-18)
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(PANGAEA, 2018-11-14)
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(PANGAEA, 2018-11-14)
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(PANGAEA, 2018-11-14)
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(PANGAEA, 2018-11-14)
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(2004)As magma rises from depth, it forms bubbles by nucleation, followed by diffusion-decompressive expansion. Expansion induces shearing, and shearing in turn causes coalescence. As the bubbles grow larger, coalescence gradually ...
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(2004)A model of bubble growth during decompression of supersaturated melt was developed in order to explore the conditions for preservation of gas overpressure in bubbles or for maintaining supersaturation of the melt. The model ...
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(1998)We examine the physics of growth of water bubbles in highly viscous melts. During the initial stages, diffusive mass transfer of water into the bubble keeps the internal pressure in the bubbles close to the initial pressure ...
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(2000)High melt viscosity is thought to hinder bubble growth in water-bearing silicate melts, and viscosities above ~109 Pa s may prevent growth and viscously quench a bubbly liquid. To investigate the influence of melt viscosity ...
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(2000)We report experimental data of bubble growth in natural rhyolitic melt with 1.4-2.0 wt% initial total H2O at 0.1 MPa and 500-600°C. Growth of many bubbles is monitored in every experiment. Bubble growth rate increases with ...
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(1996)Bubble growth controlled by mass transfer of water from hydrated rhyolitic melts at high pressures and temperatures was studied experimentally and simulated numerically. Rhyolitic melts were hydrated at 150 MPa, 780-850 ...
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(2006)Bubble growth experiments were performed in a piston-cylinder by hydrating albite melt with ~11 wt.% H2O at 550 MPa followed by rapid decompression at 1 MPa s-1 to pressures of 450 or 400 MPa. At these conditions the melt ...
Now showing items 2430-2449 of 42285