Results 151 to 160 of about 510,795 (213)
A Cross-Tissue Transcriptome Association Study Revealed Novel Susceptibility Genes for Chronic Obstructive Pulmonary Disease. [PDF]
Int J Chron Obstruct Pulmon DisLuan H +6 more
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Thermal evolution of basaltic magma chambers
Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences, 2007 openaire +1 more source
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Evaluating Volumes for Magma Chambers and Magma Withdrawn for Caldera Collapse
Earth and Planetary Science Letters, 2014Article history: We develop an analytical model to infer the total volume of a magma chamber associated with caldera collapse and the critical volume of magma that must be withdrawn to induce caldera collapse. The diameter of caldera border fault, depth to the magma chamber, and volumes of magma erupted before the onset of collapse and of entire ...
Nobuo Geshi +2 more
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Journal of the Geological Society, 1981
One of the major limitations in dealing with subvolcanic and plutonic magmatic processes is the inaccessibility of actifre magma chambers. Although this has the advantage of allowing scope for imagination and speculation, untrammelled by too many physical constraints, most igneous petrologists would dearly like to know what magma chambers ...
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One of the major limitations in dealing with subvolcanic and plutonic magmatic processes is the inaccessibility of actifre magma chambers. Although this has the advantage of allowing scope for imagination and speculation, untrammelled by too many physical constraints, most igneous petrologists would dearly like to know what magma chambers ...
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The role of volatiles in magma chamber dynamics
Nature, 2002Many andesitic volcanoes exhibit effusive eruption activity, with magma volumes as large as 10(7)-10(9) m(3) erupted at rates of 1-10 m(3) x s(-1) over periods of years or decades. During such eruptions, many complex cycles in eruption rates have been observed, with periods ranging from hours to years.
Herbert E, Huppert, Andrew W, Woods
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Dynamics of magma withdrawal from stratified magma chambers
Geology, 1986The time history of magma withdrawal through a central vent from a flat-roofed chamber strongly stratified in density and viscosity has been numerically modeled. Important parameters include the geometry of the reservoir; the initial vertical compositional profile; the ratio of viscous, inertial, and gravitational forces; and the basal normal stress ...
Frank J. Spera +3 more
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Properties of Carbonatite Magma and Processes in Carbonatite Magma Chambers
The Journal of Geology, 1983The physical and thermal properties of carbonatite magmas are estimated by analogy with alkali carbonate melts, which are ionic liquids, composed of discrete, unpolymerized ions. Carbonatite magmas are estimated to have low viscosity (on the order of 5 × 10-2 poise), low heat of fusion (175 J/gm), and large thermal diffusivity (4 × 10-3 J/cm-sec-K ...
Allan H. Treiman, Andrew Schedl
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Magma Emplacement and Accumulation: From Sills to Magma Chambers
2021The previous chapter has discussed the rise of magma throughout the crust. This fourth chapter focuses on the arrest, emplacement and accumulation of magma. These are indeed primary and widespread processes at volcanoes, as most of the rising magma remains stalled in the crust, with only a fraction being erupted (approximately one tenth; e.g., Shaw ...
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