Geochemistry, Mineralogy, Petrology & Volcanology

Imaggeo on Mondays: Half dome at sunset

Laura Roberts-Artal May 16, 2016

Half dome at sunset . Credit: Alessandro Demarchi (distributed via imaggeo.egu.eu)

Yosemite’s Half Dome stands, majestic, over a granite dominated terrain in the Yosemite Valley area; one of the most beautiful landscapes in northern America, and arguably, the world – it is also an Earth scientist’ playground. Stamped into the west slope of the Sierra Nevada range, the Yosemite Valley is a collection of lush forests, deep valleys, meandering rivers and streams, all punctua ...[Read More]

GeoSciences Column: Hazagora – will you survive the next disaster?

Laura Roberts-Artal May 6, 2016

Hazagora: will you survive a natural disaster? Taken from Mossoux, S., et al. (2016).

There is no better thing, on a cold and stormy winter’s evening, than to gather your friends for a night of games / board games. Fire blazing (if you have one), tasty snacks laid out and drinks poured, you are all set to indulge in a night of scheming (if you are playing battle ship), deceit (Cluedo), or even all out comedy (think Pictionary or Charades). The main purpose of the games you are like ...[Read More]

Methane seeps – oases in the deep Arctic Ocean

Sara Mynott April 20, 2016

Carbonate reef on Vestnesa Ridge. Four sea spiders are crawling around the carbonates and snails are scattered over the seafloor. Credit:CAGE

The deep Arctic Ocean is not known for its wildlife. 1200 metres from the surface, well beyond where light penetrates the water and at temperatures below zero, it it’s a desolate, hostile environment. There are, however, exceptions to this, most notably around seeps in the seafloor that leak methane into the water above. Here, methane is the fuel for life, not sunlight, creating oases in an otherw ...[Read More]

Photo Contest finalists 2016 – who will you vote for?

Sarah Connors April 18, 2016

The selection committee received over 400 photos for this year’s EGU Photo Contest, covering fields across the geosciences. The fantastic finalist photos are below and they are being exhibited in Hall X2 (basement, Brown Level) of the Austria Center Vienna – see for yourself! Do you have a favourite? Vote for it! There is a voting terminal (also in Hall X2), just next to the exhibit. The results w ...[Read More]