GeoLog

GeoLog

Imaggeo on Mondays: The Grid – A serpentine pseudomorph after carbonate

Imaggeo on Mondays: The Grid – A serpentine pseudomorph after carbonate

The structures in this photo might look three-dimensional, but they are completely flat. It is a photo of a polished thinsection of a rock, taken through a petrographic microscope under cross-polarized light. The width of the image is just 2 mm. The brownish mineral around the edges is carbonate, the white to grey mineral in the centre is serpentine, a water-bearing silicate mineral. The different ...[Read More]

GeoTalk: Inaugural Katia and Maurice Krafft Award winner, Rhian Meara talks about the EGU award nominations.

GeoTalk: Inaugural Katia and Maurice Krafft Award winner, Rhian Meara talks about the EGU award nominations.

Hi Rhian, thanks for talking with us today about the EGU’s Award nominations, please start by introducing yourself! I’m a physical geography and geology lecturer at Swansea University, with a particular focus on teaching through the medium of Welsh. I have been awarded the Katia and Maurice Krafft Award for my work on the British Sign Language Glossary Project, with colleagues from the ...[Read More]

Imaggeo on Mondays: Moonrise at Kata Tjuta

Imaggeo on Mondays: Moonrise at Kata Tjuta

This is a high-dynamic-range (HDR) photograph of moonrise over the hills of Kata Tjuta in central Australia. The HDR technique allows details to be seen in the deep shadows and well as in the brighter parts of the image. Kata Tjuta (formerly known as The Olgas) means ‘many heads’ in the Pitjantjatjara language, spoken by the local Anangu people. The location is approximately 360 km SW of the ...[Read More]