GeoLog

Imaggeo on Mondays

Imaggeo on Mondays: Earthquake Lake

Imaggeo on Mondays: Earthquake Lake

Despite its alluring turquoise waters and rugged mountain backdrop the story behind this beautiful lake is rather more troubling. In today’s Imaggeo on Mondays, the first post since our short break from the traditional format during the General Assembly, Alexander Osadchiev writes about the shaky origins of Sarez Lake. Lake Sarez is situated in Tajikistan, deep in the Pamir Mountains. In 1911 a lo ...[Read More]

Imaggeo on Mondays: Mirror Image

Imaggeo on Mondays: Mirror Image

This week’s Imaggeo on Mondays image is brought to you by Fabien Darrouzet, who visited the icy landscapes of Svalbard back in 2012. Whilst the aim of his trip was not to better understand the geology of the landscapes, his eyes were very much focused on goings on up, up in the sky, it didn’t stop him taking this still of the snow covered peaks. This picture was taken in Svalbard (78° lat.) in Jun ...[Read More]

Imaggeo on Mondays: Drumlins Clew Bay

Imaggeo on Mondays: Drumlins Clew Bay

During ice ages landscapes are sculpted by the power of advancing glaciers. From rock scratches, to changing mountains and the formation of corries, cirques and aretes, through to the formation of valleys and fjords, the effects of past glaciations are evident across the northern hemisphere landscape. Perhaps not so familiar, drumlin fields are also vestiges of the erosive power of ancient ice she ...[Read More]

Imaggeo on Mondays: Escullos

Imaggeo on Mondays: Escullos

This picture shows a Quaternary aeolianite fossil dune at the Escullos beach, in the Nature Reserve of Cabo de Gata (Almeria, Spain). Originally a soft accumulation of sand grains, shaped by the wind into large mounds and ridges, the dunes eventually turn into rock. As the sediments compact under their own pressure and expel any moisture and fluids retained within them, they become lithified and b ...[Read More]