GeoLog

outreach

GeoTalk: Meet the EGU’s next president, Helen Glaves

GeoTalk: Meet the EGU’s next president, Helen Glaves

GeoTalk interviews usually feature the work of early career researchers, but this month we deviate from the standard format to speak to Helen Glaves, the incoming president of the EGU. Helen has been involved with the Union for many years, also serving as Earth and Space Science Informatics Division President. Following a year as President-elect, Helen will become President at the 2021 General Ass ...[Read More]

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 subsequently recrystallized, enclosing h ...[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 take years to grow back. These barren ...[Read More]