GeoLog

Imaggeo on Mondays

Imaggeo On Monday: The lost capital of Montserrat

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 …[Read More]

Imaggeo On Monday: Both Ends of the Rainbow

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 …[Read More]

Imaggeo On Monday: A drift of sea-snail shells

Imaggeo On Monday: A drift of sea-snail shells

A collection of washed-up shells on a beach on the south island of New Zealand. Shore transport processes have produced a well-sorted drift of similarly sized (approx. 1-2 cm) shells and shell fragments. The main species represented are the common turret shell (Maoricolpus roseus) and wheel shell (Zethalia zelandica), both sea snails endemic to New …[Read More]

Imaggeo On Monday: Catch the wave hitting on the rocks

Imaggeo On Monday: Catch the wave hitting on the rocks

A wave is caught on camera when it hits the rocks on Tung Ping Chau, an offshore island in the northeastern corner of Hong Kong. Tung Ping Chau is unique island in Hong Kong that is mainly made up of sedimentary rock. Weathering and erosion have great impacts on forming the current landscape and geologic …[Read More]

Imaggeo On Monday: Water Force

Imaggeo On Monday: Water Force

A force is a push or pull upon an object resulting from the object’s interaction with another object. This image shows the most magnificent force in nature; water, interacting with an inclined rock formation, with a backdrop of the magnificent landscapes of Canada.   Description by Daniela Lobianco, after the description on imaggeo.egu.eu.   Imaggeo is …[Read More]

Imaggeo On Monday: Yardangs in the Gobi desert

Imaggeo On Monday: Yardangs in the Gobi desert

Seeing the Yardang rock formations during sunset was a surreal experience. While they seem to have be standing in a sea of water that formed them, the fluid dynamics that actually lead to their existence is the result of wind abrasion by dust and sand and the removal of loose material by wind turbulence. The …[Read More]

Imaggeo On Monday: Lichtenberg Figure Visualisation

Imaggeo On Monday: Lichtenberg Figure Visualisation

A visualisation of an electrical charge moving through plastic. Machines are used to discharge electricity onto surfaces then metallic powders are used to visualise the static. The image is then exposed onto a photopolymer plate and etched with ink. Is is called the photogravure process.   Description by Nicolas Strappini, after the description on imaggeo.egu.eu. …[Read More]

Imaggeo On Monday: Tides at Young Sound

Imaggeo On Monday: Tides at Young Sound

The work of the autumn tides at Young Sound, Northeast Greenland, created a fine sand artwork just before the freezing in of the fjord with the approaching winter. Due to the changing sediment of the nearby Zackenberg river, the local coastal erosion is an object of great recent investigations.   Description by Maria Scheel, after …[Read More]