GeoLog

Imaggeo on Mondays

Imaggeo on Mondays: Quartz lawns and crystal flowers

Petrologists spend a large part of their time peering down microscopes at wafer thin slices of rock to work out what they’re made of and how they were formed. What lies on the other side of the lens can be an incredibly beautiful pattern, a kaleidoscope of colour, or stark bands of black and white, all of which provide clues to the rock’s history, and the history of the landscape it came from. Ber ...[Read More]

Imaggeo on Mondays: Light fantastic – flashing phenomena in Norway’s night sky

In this week’s Imaggeo on Mondays, Bjørn Gitle Hauge – from Østfold University College – opens our eyes to the astounding aurora borealis, and the unusual phenomena seen in Norway’s night sky… Hessdalen is a former mining district in the middle of Norway with huge ores of copper and mineshafts up to a kilometre deep. The climate here is sub-Arctic, with temperatures reaching as low as -50 de ...[Read More]

Imaggeo on Mondays: Layers of leg-like sandstone

John Clemens, a researcher from Stellenbosch University and one of the winners in the EGU Photo Contest 2014, opens our eyes to erosional processes in the Grand Canyon in this week’s Imaggeo on Mondays… The photo below was taken late in the afternoon while doing some geological tourism at the Grand Canyon in Arizona, USA. The light at this time of day is ideal for such locations as it has a ...[Read More]

Imaggeo on Mondays: A marvellous moving image

Every year, in association with our annual General Assembly, we run a photo contest to feature and celebrate fantastic geoscience images. Last year we introduced a moving image component to the competition, giving photographers the chance to submit short clips of great geoscience footage. Here’s this year’s highly commended entry by Matthias Buschmann… Svalbard’s stunning scenery (Credit: Matthias ...[Read More]