EGU

First, in English: Bottom of a dry lagoon in the Cañada de Los Pájaros (Birds Dale) in the surroundings of the Doñana National Park (Huelva, SW Spain). After an exceptionally long, hot, and dry summer, the area’s lagoon system has dried up. The bottom, clayey and silty, contracts to form a network of columnar aggregates separated by small valleys (cracks). The resulting appearance is that of ...[Read More]

S-C mylonites developed in andalusite-cordierite micaschist (Calamita Schists) in the contact aureole of the Porto Azzurro pluton. The white layers are made of quartz, while the brown layers consist predominantly of white mica and biotite. Top-to-left (East) sense of shear. Read more: Papeschi et al (2017). Heterogeneous brittle-ductile deformation at shallow crustal levels under high thermal cond ...[Read More]

A tribute to the computational geosciences. A mix of computer infrastructure, a modern workstation, and a simple globe with coastlines. Found this scene at the back of room at Miraikan – the National Museum of Emerging Science and Innovation in Tokyo, Japan. The computers, screens, and globe are behind a plexi-glass and while not intended as part of an exhibition it almost becomes an art-mee ...[Read More]

In Gobustan, Azerbaïdjan, gases such as methane or carbon dioxide are emitted in the underground. They lower the density of the overlying sediments which are pushed upwards by buoyancy. Fingering instabilities occur, where more mobile and lighter sediments form vents and mud volcanoes with upwards moving material. Many small scale cones are deposited when the conduits reach the surface, depositing ...[Read More]