Emplacement and petrological evolution of the andesitic dome of Galeras volcano, 1990-1992

Earth & Environmental Sciences

• dome 67%
• emplacement 62%
• volcano 58%
• fumarole 16%
• degassing 13%
• crater 12%
• plagioclase 11%
• volcanic eruption 10%
• fractionation 10%
• magma 9%
• glass 9%
• crystal 8%
• lava dome 8%
• background level 7%
• phenocryst 7%
• reactivation 6%
• trend 6%
• zoning 6%
• explosion 6%
• explosive 5%
• electronics 5%
• chemical composition 4%
• trace element 4%
• melt 4%
• matrix 3%
• history 3%
• mineral 3%
• temperature 2%

Physics & Astronomy

• volcanoes 100%
• domes 82%
• plagioclase 18%
• magma 17%
• degassing 15%
• volcanic eruptions 14%
• fractionation 14%
• craters 13%
• tiltmeters 10%
• lava 9%
• trends 8%
• trace elements 7%
• rims 6%
• glass 6%
• minerals 5%
• crystals 5%
• explosions 5%
• chemical composition 5%
• histories 4%
• matrices 3%
• electronics 3%
• temperature 1%

Chemical Compounds

• Degasification 88%
• Fractionation 61%
• Euhedral Crystal 58%
• Glass 48%
• Mineral 28%
• Volume 20%
• Amount 14%
• Time 12%
• Surface 11%