Columnar jointed basalt at the Giant's Causeway, Ireland (courtesy of Kathy Cashman)
Liquid Nitrogen eruption (courtesy of Oregon State University CEOAS)
Cross section through a breadcrust bomb from Guagua Pichincha volcano (courtesy of Heather Wright)
Drilling a high altitude lake (courtesy of Catherine Chauvel)
Amphibole breakdown (courtesy of Julia Hammer)
Tungurahua volcano
Thermal spring at Mount St. Helens (courtesy of USGS)
Volcanology, Geochemistry & Petrology
Welcome to the home page for the Volcanology, Geochemistry and Petrology section of the American Geophysical Union. Look around to find out more about VGP and its activities.