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Showing 1 to 4 of 4 for “"Magma Degassing"”.
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Deep Earth volatile cycles as revealed by basalt chemistry
… using simple numerical models for concurrent magma mixing and degassing. It is demonstrated that the role of magma degassing was previously underestimated, and the variability in apparent mantle volatile concentrations is largely a result of variability in magma mixing and degassing. Using a …
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Bubbles matter: An assessment of the contribution of vapor bubbles to melt inclusion volatile budgets
… commonly used both as a barometer and to track magma degassing behavior during ascent due to the strong pressure dependence of H2O and CO2 solubilities in silicate melts. A requirement for this method to be valid is that the glass phase in the MI must represent the composition of the melt that …
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Edifice Stability Assessment of Lassen Peak, Lassen Volcanic National Park, California
… loading and elevated fluid (groundwater, gas, or magma) pressures. Understanding fluid pressures within active volcanoes is a complex issue, where some of the destabilizing forces are functions of rock mass permeability, the depths of intrusions, magma degassing, and magma viscosity. Water table …
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Studies of volatile evolution in magmatic systems using melt inclusions
… evolution associated with active volcanic magmatic systems is of paramount importance because volatiles control and determine the magnitude of an eruption owing to the large change in molar volume that volatile species show depending on their physical state (volatiles dissolved in silicate …