GeoLog

outreach

Imaggeo on Mondays: Cooking crystals in the Earth cauldron

Imaggeo on Mondays: Cooking crystals in the Earth cauldron

This picture shows a 30 micrometer thick rock section of a gabbro from the Rum Layered Intrusion (Scotland). Large clinopyroxene crystals are enclosed in a foliated fine grained groundmass of plagioclase and olivine. The clinopyroxene core crystallized at an early stage, at 1160°C. They were partly molten at 1200°C during successive hot magma injections and …[Read More]

Imaggeo On Mondays: Contrasting Colors of Pinnacles and Mountains

Imaggeo On Mondays: Contrasting Colors of Pinnacles and Mountains

Despite its rugged appearance of sandstone pinnacles and arches, the ecosystem of Arches National Park in Utah, U.S.A. is very fragile. Beyond the normal ‘high desert’ environment, this beautiful landscape is home to microbial communities in the soil called cryptobiotic crusts. These biological soil crusts are very vulnerable to damage and when harmed they can …[Read More]

EGU Photo Competition 2020: Now open for submissions!

EGU Photo Competition 2020: Now open for submissions!

If you are pre-registered for the 2020 General Assembly (Vienna, 3 – 8 May), you can take part in our annual photo competition! Winners receive a free registration to next year’s General Assembly! The tenth annual EGU photo competition opened on 15 January. Up until 15 February, every participant pre-registered for the General Assembly can submit up …[Read More]

EGU Members: have your say on the direction of the Union

EGU Members: have your say on the direction of the Union

The EGU is a member-led organisation with around 20,000 members from all over the world. To promote the Earth, planetary and space sciences, the EGU conducts many activities ranging from publishing open access journals and hosting geoscientific meetings to organising education and outreach initiatives. As EGU’s representatives and staff members, we work hard throughout the …[Read More]