Regular Features

Imaggeo on Mondays: Chilean relics of Earth’s past

Anita Di Chiara March 12, 2018

Sunset, LLaima volcano and eruptions' relicts . Credit: Anita Di Chiara (distributed via imaggeo.egu.eu)

As Earth’s environment changes, it leaves behind clues used by scientists to paint portraits of the past: scorched timber, water-weathered shores, hardened lava flows. Chile’s Conguillío National Park is teeming with these kind of geologic artifacts; some are only a few years old while others have existed for more than 30 million years. The photographer Anita Di Chiara, a researcher at Lancaster U ...[Read More]

Geosciences Column: The science behind snow farming

Olivia Trani March 9, 2018

A layer of sawdust and wood chips hides a massive pile of snow in South Tyrol. The thick cover protects the snow from the summer heat. Winter sport destinations have been 'farming' snow as a way to guarantee white winters. Credit: Grünewald et al.

For roughly the last decade, some ski resorts and other winter sport facilities have been using a pretty unusual method to ensure white slopes in winter. It’s called snow farming. The practice involves collecting natural or artificially made snow towards the end of winter, then storing the frozen mass in bulk over the summer under a thick layer of sawdust, woodchips, mulch, or other insulating mat ...[Read More]

Imaggeo on Mondays: Nummulites, the living lentils

Manuel de Paz Álvarez March 5, 2018

The Nummulite-Whisperer Snail. Credit: Manuel de Paz Álvarez (distributed via imaggeo.egu.eu)

This photograph depicts a close-up of Eocene limestones from the Sardinero Formation in Cantabria (Northern Spain). The limestone is rich with foraminifera shells, most of them from the Nummulitidae family. These organisms once lived in a very shallow sea that separated Europe from Iberia in the late Mesozoic and early Cenozoic era. Later the sea basin’s closure led to the formation of the Pyrene ...[Read More]

February GeoRoundUp: the best of the Earth sciences from across the web

Olivia Trani March 1, 2018

Drawing inspiration from popular stories on our social media channels, as well as unique and quirky research news, this monthly column aims to bring you the best of the Earth and planetary sciences from around the web. Major stories The biggest story in Europe right now is the bone-chilling cold snap sweeping across the continent. This so-called ‘Beast from the East’ sharply contrasts with the Arc ...[Read More]