GeoLog

Geochemistry, Mineralogy, Petrology & Volcanology

Imaggeo on Mondays: A lava layer cake

May 29, 2017
Imaggeo on Mondays: A lava layer cake
A lava layer cake flowing . Credit: Timothée Duguet (distributed via imaggeo.egu.eu)

Brekkuselslækur, a small river, carves its way across Iceland’s ancient volcanic landscape. At Hengifoss, Iceland’s third-highest waterfall, it tumbles fiercely down thick, dark layers of lavas erupted from volcanoes some 18 to 2.58 million years ago, during a period of geological time known as the Tertiary. Eruptions are rarely continuous; during hiatuses in the extrusion of lavas, ash is able to ...[Read More]

Extraordinary iridescent clouds inspire Munch’s ‘The Scream’

April 26, 2017
Screaming clouds
Are the lurid colours and tremulous lines of Munch's 'The Scream', caused by strange and rarer nacreous clouds? L: Edvard Munch’s ‘The Scream’ 1893. R: Mother-of-pearl or nacreous clouds. Credit: Svein Fikke.

Edvard Munch’s series of paintings and sketches ‘The Scream’ are some of the most famous works by a Norwegian artist, instantly recognisable and reproduced the world over. But what was the inspiration behind this striking piece of art? The lurid colours and tremulous lines have long been thought to represent Munch’s unstable state of mind; a moment of terror caught in shocking technicolour. At the ...[Read More]

Imaggeo on Mondays: In the belly of the beast

April 17, 2017

Conducting research inside a volcanic crater is a pretty amazing scientific opportunity, but calling that crater home for a week might just be a volcanologist’s dream come true, as Alexandra postdoctoral researcher at the Institut de Physique du Globe de Strasbourg, describes in this week’s Imaggeo on Mondays. This picture was taken from inside the crater of Mount St Helens, a stratovolcano ...[Read More]

March GeoRoundUp: the best of the Earth sciences from around the web

March 31, 2017
March GeoRoundUp: the best of the Earth sciences from around the web
Coral bleaching in the Maldives captured by The Ocean Agency / XL Catlin Seaview Survey in May 2016. Credit: he Ocean Agency / XL Catlin Seaview Survey / Richard Vevers.

Drawing inspiration from popular stories on our social media channels, as well as  unique and quirky research news, this monthly column aims to bring you the best of the Earth and planetary sciences from around the web. Major story While the March headlines might not have been dominated by a particular story, the state of the Earth’s climate has definitely been the overarching theme of the month. ...[Read More]