2018
DOI: 10.1016/j.epsl.2018.01.013
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Formation of magmatic brine lenses via focussed fluid-flow beneath volcanoes

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Cited by 65 publications
(89 citation statements)
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“…The cutoff depth of microseismicity coincides with the bottom of C2, and the top of C3 conductor corresponds to brittle-ductile transition at around 400 °C. This conductor will be interpreted as brine above 400 °C, which will be separated from the magmatic fluids (Fournier 1999;Afanasyev et al 2018). The top of the C3 fluids will be self-sealed by silica (Saishu et al 2014) or by halite (Afanasyev et al 2018), which can last for several hundred thousand years.…”
Section: Brine Conductor (C3)mentioning
confidence: 99%
“…The cutoff depth of microseismicity coincides with the bottom of C2, and the top of C3 conductor corresponds to brittle-ductile transition at around 400 °C. This conductor will be interpreted as brine above 400 °C, which will be separated from the magmatic fluids (Fournier 1999;Afanasyev et al 2018). The top of the C3 fluids will be self-sealed by silica (Saishu et al 2014) or by halite (Afanasyev et al 2018), which can last for several hundred thousand years.…”
Section: Brine Conductor (C3)mentioning
confidence: 99%
“…Huber & Parmigiani (2018) extend the two-phase model of (Bercovici & Ricard, 2003) to include two pore fluids in a compacting matrix. Afanasyev et al (2018) employ a modified reservoir modelling tool to simulate vapour and brine transport through an undeformable porous rock. Oliveira et al (2018) provide a general theory for n compressible phases but only discuss applications for two incompressible phases in the porous limit.…”
Section: Multi-phase Reactive Transports In Igneous Systemsmentioning
confidence: 99%
“…Since we are focused on the near-magma region, the permeabilities are expected to be lower than this threshold averaged over long time durations (see discussion in section 3). We also note that in an active hydrothermal system, there exists a lateral pressure gradient from the margin of the magma reservoir from lithostatic to hydrostatic (Afanasyev et al, 2018;Weis et al, 2012;Zencher et al, 2006). This pressure gradient will lead to more efficient fluid flow away from the magma body, thus helping diffuse pressure away faster and resulting in greater heat loss.…”
Section: Initial Conditions and Parametersmentioning
confidence: 86%