GeoLog

Imaggeo

Imaggeo On Monday: The Heart of a Stone

Imaggeo On Monday: The Heart of a Stone

Heart-shaped glomerocryst (aggregate of phenocrysts) made of plagioclase and pyroxene in a cordierite-bearing dacitic lava from Lipari (Eolie Islands). I study the crustal xenoliths of these lavas to understand the processes accompanying high-temperature metamorphism and crustal melting. But I came across this spectacular glomerocryst and couldn’t help but take a picture! Polarized light pho ...[Read More]

Imaggeo On Monday: Salt marsh in El Rocío (Huelva, SW Spain)

Imaggeo On Monday: Salt marsh in El Rocío (Huelva, SW Spain)

The coast line of Huelva is furrowed by wetlands and sprinkled with salt flats. These areas are a sanctuary for wildlife and are visited by migrating birds travelling between Europe and Africa. In these wetlands grow the salt cedar, the Phoenician juniper, the mastic tree, the Montpellier cistus, the rockrose, the kermes oak, rosemary, cordgrass, reeds and bulrushes. The picture shows part of the ...[Read More]

EGU Photo Competition 2022: Now open for submissions!

EGU Photo Competition 2022: Now open for submissions!

If you are registered for the 2022 General Assembly EGU22 (23 – 27 May), you can take part in our annual photo competition. Winners receive free registration to next year’s General Assembly! It’s that time of year again! Yes, yesterday on the 1 February, the twelfth annual EGU photo competition opened for submissions!! Until 14 April, every participant registered for the General Assembly can ...[Read More]

Imaggeo On Monday: Intriguing artwork by heat-loving microbes

Imaggeo On Monday: Intriguing artwork by heat-loving microbes

The geothermal area Sol de Mañana is part of the Altiplano–Puna volcanic complex shared between Bolivia and Chile. The area is characterized by volcanic activity and the sulphur springs host mud lakes and steam pools. The different colours stem from thermophilic, hyperthermophilic and acidophilic bacteria that colonize areas of varying temperatures.   Description by Julia Miloczki, after the ...[Read More]