GeoLog

Polygons

Imaggeo on Mondays: Giants Causeway

Laura Roberts-Artal November 30, 2015

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]

Imaggeo on Mondays: Polygon ponds at sunset.

Laura Roberts-Artal October 27, 2014

Thinking of the Arctic conjures up images of vast expanses of white icy landscapes punctuated by towering icebergs and a few dark rocky masses; certainly not a green landscape with a series of water pools amongst rolling hills. The image below is perhaps more reminiscent of the temperate Scottish or Welsh countryside; but don’t be fooled, out Imaggeo on Monday’s image was captured by Reinhard Pien ...[Read More]