structural geology

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: The road to nowhere – natural hazards in the Peloponnese

Laura Roberts-Artal September 19, 2016

Find a new way . Credit: Romain Hemelsdael (distributed via imaggeo.egu.eu)

The Gulf of Corinth, in southern Greece, separates the Peloponnese peninsula from the continental mainland. The structural geology of the region is complex, largely defined by the subduction of the African Plate below the Eurasian Plate (a little to the south). The Gulf itself is an active extensional marine basin, i.e., one that is pulling open and where sediments accumulate. Sedimentary basins r ...[Read More]

Going deeper underground – why do we want to know how rocks behave?

Stephanie Zihms August 12, 2016

Photo taken at the Soapbox Science event courtesy of Sarah Caldwell (smcneem)

Imagine you find yourself standing atop a wooden box in the middle of your home town, on a rainy weekend day, with the sole aim of talking to passersby about your research work. It can be a rather daunting prospect! How do you decide what the take-home message of your work is: which single nugget of information do you want members of the public to take away after having spoken to you? Even more im ...[Read More]

Imaggeo on Mondays: an impressive testimony to the collision between Africa and Europe

Angelika Jung-Hüttl July 18, 2016

Dent de Morcles, The Waadtland Alps, Switzerland . Credit: Bernhard Edmaier (distributed via imaggeo.egu.eu)

The huge fold in the flank of the 2969 m high Dent de Morcles (in Waadtland Alps, Switzerland) is an impressive testimony to the collision between Africa and Europe (which began some 65 million years ago). The layers, originally deposited on the sea floor in a horizontal position, were compressed and shifted. The darker parts developed during the Tertiary period (66 million years ago). They are yo ...[Read More]