GeoLog

Imaggeo on Mondays: Cooking crystals in the Earth cauldron

Hazel Gibson February 10, 2020

Cooking crystals in the Earth cauldron. Credit: Julien Leuthold (distributed via imaggeo.egu.eu)

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 subsequently recrystallized, enclosing h ...[Read More]

Inclusive flood mapping: using citizen science to collect historical flood data in Dakar, Senegal.

Hazel Gibson February 7, 2020

Dakar in Senegal (image by Jesse Allen for NASA)

During the month of February, we are focusing on ‘Accessibility and Inclusivity’ here at the EGU. Although these topics are clearly relevant to the General Assembly, some people may wonder whether they also relate to scientific research. Clearly all geoscientists are people, so accessibility and inclusivity matter regardless of what scientific discipline they are in. But there can also be tangible ...[Read More]

Accessibility at EGU: Top 10 tips for audio accessible presenting

Hazel Gibson February 5, 2020

EGU Union Session (Credit: Kai Boggild, EGU 2017).

This year EGU is taking additional steps to continue to improve the accessibility and inclusivity of its annual General Assembly. During the next few weeks we will be regularly posting information about the measures the Union is taking, tips and tricks for meeting attendees, and personal stories and advice from people with various experiences who have attended in previous years. Yesterday EGU an ...[Read More]

Imaggeo On Mondays: Contrasting Colors of Pinnacles and Mountains

Hazel Gibson February 3, 2020

Contrasting Colors: Pinnacles & Mountains. Credit: Lukas Hörtnagl (distributed via imaggeo.egu.eu)

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 take years to grow back. These barren ...[Read More]