GeoLog

Geomorphology

Imaggeo on Mondays: Flying Rocks

December 14, 2015
Imaggeo on Mondays: Flying Rocks
Flying Rocks . Credit: Franziska Glueer (distributed via imaggeo.egu.eu)

The picture was taken at a hillslope close to the glacier tongue of the Great Aletsch Glacier, the largest glacier in the Alps. With a length of 23 km it is located in the eastern Bernese Alps of Switzerland and composed of the three smaller glaciers Aletschfirn, Jungfraufirn and Eternal snow field converging at Concordia where the ice thickness was measured to be around 900m. The whole area was d ...[Read More]

Imaggeo on Mondays: Annapurna snow avalanche

December 7, 2015
Imaggeo on Mondays: Annapurna snow avalanche
Annapurna snow avalanche. Credit: Martin Struck (distributed via imaggeo.egu.eu)

The Annapurna massif is located in an imposing 55 km long collection of peaks in the Himalayas, which behave as a single structural block. Composed of one peak (Annapurna I Main) in excess of 8000 m, a further thirteen peaks over 7000 m and sixteen more of over 6000 m, the massif forms a striking structure within the Himalayas. Annapurna I Main, the tenth highest peak in the world, is towering at ...[Read More]

Imaggeo on Mondays: Giants Causeway

November 30, 2015
Imaggeo on Mondays: Giants Causeway
Giants Causeway. Credit: Bernhard Aichner (distributed via imaggeo.egu.eu)

Since its discovery back in the late 1600s the origin of the spectacular polygonal columns of the Giants Causeway, located on a headland along the northern coast of Ireland, has been heavily debated. Early theories for its origin ranged from being sculpted by men with picks and chisels, to the action of giants, through to the force of nature. It wasn’t until 1771 that Demarest, a Frenchman, sugges ...[Read More]