Complex phenocryst textures and zoning patterns in andesites and dacites: Evidence of degassing-induced rapid crystallization?

Earth & Environmental Sciences

• dacite 62%
• phenocryst 60%
• degassing 58%
• andesite 56%
• zoning 52%
• plagioclase 49%
• crystallization 43%
• texture 40%
• orthopyroxene 35%
• magma 33%
• meltwater 22%
• melt 15%
• crystal 15%
• titanomagnetite 13%
• thermometry 13%
• volcanic arc 12%
• fugacity 12%
• phase equilibrium 11%
• ilmenite 11%
• petrography 11%
• clinopyroxene 10%
• pyroxene 10%
• apatite 10%
• biotite 10%
• viscosity 8%
• glass 8%
• temperature 8%
• oxide 8%
• oxygen 7%
• water 6%
• liquid 6%
• fluid 6%
• effect 2%

Physics & Astronomy

• andesite 100%
• plagioclase 85%
• degassing 70%
• magma 63%
• textures 45%
• crystallization 41%
• water 24%
• petrography 20%
• biotite 17%
• hygrometers 17%
• pyroxenes 15%
• ilmenite 15%
• hoppers 15%
• volcanology 15%
• ascent 15%
• fetuses 15%
• vents 15%
• apatites 14%
• supercooling 11%
• minerals 10%
• crystals 10%
• temperature measurement 9%
• hollow 9%
• arcs 8%
• intervals 7%
• viscosity 7%
• oxides 6%
• oxygen 6%
• temperature 6%
• fluids 6%
• glass 6%
• liquids 5%

Chemical Compounds

• Degasification 68%
• Crystalline Texture 52%
• Crystallization 37%
• Hopper Crystal 36%
• Thermometry 26%
• Fugacity 24%
• Melt Viscosity 23%
• Phase Equilibrium 20%
• Apatite 19%
• Mineral 14%
• Glass 12%
• Dioxygen 8%