Imaggeo on Mondays

Imaggeo on Mondays: Angular unconformity

André Cortesão November 27, 2017

Angular unconformity. Credit: Daniele Penna (distributed via imaggeo.egu.eu)

It is not unusual to observe abrupt contacts between two, seemingly, contiguous rock layers, such as the one featured in today’s featured image. This type of contact is called an unconformity and marks two very distinct times periods, where the rocks formed under very different conditions. Telheiro Beach is located at the western tip of the Algarve; Portugal’s southernmost mainland region and the ...[Read More]

Imaggeo on Mondays: A spectacular view of moss-covered rocks

Laura Roberts-Artal November 20, 2017

Isle of Skye cliff coast . Credit: Marius Ulm (distributed via imaggeo.egu.eu)

Geology has shaped the rugged landscape of the Isle of Skye – the largest island of Scotland’s Inner Hebrides archipelago. From the very old Precambrian rocks (approximately 2.8 billion years old) in the south of the island, through to the mighty glaciers which covered much of Scotland as recently as 14,700 years ago, the modestly-sized island provides a snap-shot through Earth’s dynamic his ...[Read More]

Imaggeo on Mondays: Bird’s eye view of Trebecchi Lakes

Antonello Provenzale November 13, 2017

Bird’s view of Lakes Trebecchi. Credit: Antonello Provenzale (distributed via imaggeo.egu.eu)

Among many other environmental impacts, human activities have introduced a range of animal and plant species to areas where they do not naturally belong. The introduction of alien species, as these translocated taxa are known, has wide ranging implications for native biota, ecosystem functioning, human health and the economy. Research published earlier this year found that during the last 200 year ...[Read More]

Imaggeo on Mondays: Of ancient winds and sands

Elizaveta Kovaleva November 6, 2017

Movement of ancient sand . Credit: Elizaveta Kovaleva (distributed via imaggeo.egu.eu)

Snippets of our planet’s ancient past are frozen in rocks around the world. By studying the information locked in formations across the globe, geoscientist unpick the history of Earth. Though the layers in today’s featured image may seem abstract to the untrained eye, Elizaveta Kovaleva (a researcher at the University of the Free State in South Africa) describes how they reveal the secrets of anci ...[Read More]