SILICIC EXPLOSIVE VOLCANISM: MODALITIES OF MAGMA ...
SILICIC EXPLOSIVE VOLCANISM: MODALITIES OF MAGMA ...
SILICIC EXPLOSIVE VOLCANISM: MODALITIES OF MAGMA ...
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Raffaello Cioni – Silicic explosive volcanism – GEOITALIA 2009 – Rimini 7-8 settembreDynamics of magma ascentFor uncompressible magma at low ReynoldsnumbersHagen-Poisseuille flowQ = (r 4 / 8 ) (-dP/dz – g)Q = mass flowr = conduit radius = magma density = magma viscosity-dP/dz = pressure gradientRaffaello Cioni – Silicic explosive volcanism – GEOITALIA 2009 – Rimini 7-8 settembreOpen-system degassingSyn-eruptive gas-loss
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