The almost perfect rock pyramid in the foreground was formed by physical weathering and found in the Los Glaciares National Park in southern Argentina. The block was deposited on top of a rock surface polished by glacial erosion. The pyramidal peaks in the background are also the result of glacial erosion, albeit on a much larger scale. Description by Christoph Mayr, after the description o ...[Read More]
Imaggeo On Monday: The lost capital of Montserrat
Plymouth, the capital of Montserrat, was evacuated in 1995 after the nearby Soufrière Hills Volcano (background of the image) had reactivated. Later on the town was struck by pyroclastic flows, and its centre was almost completely buried by material relocated from the upper slopes through lahars. The suburb of Town Hill can still be seen in the right centre of the photo. It remains an exclusion zo ...[Read More]
Imaggeo On Monday: Both Ends of the Rainbow
A double rainbow was captured when heading through the glaciated Benasque valley, located in the heart of the Pyrenees. The photo was taken just before the sunset, after heavy rainfall. A rainbow is caused by reflection and dispersion of light in water droplets. Second rainbow arc results from one reflection more than in the first one, thus the rainbow colours are “reverted”. The geome ...[Read More]
Crowd solutions to challenges in Earth Sciences
Research rarely follows a straight path and it is normal for challenges to arise during a scientific career. These challenges may come from scientific issues, like inaccessible field sites or data or unavailable/insufficient methods, or from social or personal problems and so on. This year we are facing an additional problem in our inability to meet in person, travel and go to the field. As we all ...[Read More]