GeoLog

EGU Guest blogger

This guest post was contributed by a scientist, student or a professional in the Earth, planetary or space sciences. The EGU blogs welcome guest contributions, so if you've got a great idea for a post or fancy trying your hand at science communication, please contact the blog editor or the EGU Communications Officer to pitch your idea.

Imaggeo on Mondays: Chilean relics of Earth’s past

March 12, 2018
Imaggeo on Mondays: Chilean relics of Earth’s past
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]

Imaggeo on Mondays: Nummulites, the living lentils

March 5, 2018
Imaggeo on Mondays: Nummulites, the living lentils
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]

Imaggeo on Mondays: Winter threatens to freeze over fieldwork

February 26, 2018
Imaggeo on Mondays: Winter threatens to freeze over fieldwork
Ice crystals oriented by wind . Credit: Roberto Vallone (distributed via imaggeo.egu.eu)

This photo was taken during a fieldwork campaign following the mainshock of the deadly seismic sequence that struck central Italy starting from 24 August 2016. The magnitude 6.2 earthquake severely damaged nearby towns, claimed more than 290 lives and injured nearly 400 people in its wake. As a geologist from the National Institute of Geophysics and Volcanology, I was in charge of measuring the ma ...[Read More]