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Article
Open AccessPhase partitioning during fragmentation revealed by QEMSCAN Particle Mineralogical Analysis of volcanic ash
Volcanic ash particle properties depend upon their genetic fragmentation processes. Here, we introduce QEMSCAN Particle Mineralogical Analysis (PMA) to quantify the phase distribution in ash samples collected ...
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Article
Open AccessCrystal plasticity as an indicator of the viscous-brittle transition in magmas
Understanding the flow of multi-phase (melt, crystals and bubbles) magmas is of great importance for interpreting eruption dynamics. Here we report the first observation of crystal plasticity, identified using...
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Article
Open AccessThe permeability of fractured rocks in pressurised volcanic and geothermal systems
The connectivity of rocks’ porous structure and the presence of fractures influence the transfer of fluids in the Earth’s crust. Here, we employed laboratory experiments to measure the influence of macro-fract...