GeoLog

Geochemistry, Mineralogy, Petrology & Volcanology

Imaggeo on Mondays: Moving images – Photo Contest 2016

Since 2010, the European Geosciences Union (EGU) has been holding an annual photo competition and exhibit in association with its General Assembly and with Imaggeo – the EGU’s open access image repository. In addition to the still photographs, imaggeo also accepts moving images – short videos – which are also a part of the annual photo contest. However, 20 or more images have to be submitted ...[Read More]

Imaggeo on Mondays: Half dome at sunset

Imaggeo on Mondays: Half dome at sunset

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?

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

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

Methane seeps – oases in the deep Arctic Ocean

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]