GMPV
Geochemistry, Mineralogy, Petrology & Volcanology

EGU Guest blogger

This guest post was contributed by a scientist, student or a professional in the Earth, planetary or space sciences. The EGU blogs welcome guest contributions, so if you've got a great idea for a post or fancy trying your hand at science communication, please contact the blog editor or the EGU Communications Officer to pitch your idea.

Can limestone digestion by volcanoes contribute to higher atmospheric carbon dioxide levels?

October 28, 2019
Can limestone digestion by volcanoes contribute to higher atmospheric carbon dioxide levels?
Degassing at Merapi volcano, Indonesia. Source: GFZ.

By Frances Deegan and Ralf Halama Carbon – the element on everyone’s lips. Carbon is unquestionably one of the most important elements on Earth – terrestrial life is carbon-based and so are many of our energy sources. From the perspective of a human time-scale, biological and anthropogenic (caused by human activity) carbon fluxes are very important (e.g. through industrial activity and burni ...[Read More]

How do crystal aggregates form in magma chambers?

September 5, 2019
How do crystal aggregates form in magma chambers?
EBSD map of chromite crystals colored according to the orientation, showing random orientations.

By Penny Wieser (PhD student at the University of Cambridge) Clues into the inner workings of volcanoes can be gleamed from material which is erupted at the surface, or that which solidified at depth in the crust. Just before eruption, three main phases are present: a gas phase (containing water, carbon dioxide, sulphur, chlorine etc), a liquid melt phase (the magma), and a solid phase (consisting ...[Read More]

What I learned from chairing my first EGU session

July 4, 2019
What I learned from chairing my first EGU session

By Emily Bamber (PhD Student, University of Manchester) At this year’s EGU meeting I was invited to co-convene the GMPV 5.7 session ‘Magma ascent, degassing and eruptive dynamics: linking experiments, models and observations’. At first, I felt nervous, as a PhD student who has so far only attended and presented at a few conferences. Afterwards I felt happy to be part of a session which presents cu ...[Read More]