GeoLog

Tectonics and Structural Geology

Imaggeo on Mondays: Angular unconformity

November 27, 2017
Imaggeo on Mondays: Angular unconformity
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]

October GeoRoundUp: the best of the Earth sciences from around the web

November 2, 2017

Display "Following Carbon Dioxide Through the Atmosphere" from YouTube Click here to display content from YouTube. Learn more in YouTube’s privacy policy. Always display content from YouTube Open "Following Carbon Dioxide Through the Atmosphere" directly Carbon dioxide plays a significant role in trapping heat in Earth’s atmosphere. The gas is released from human activiti ...[Read More]

Imaggeo on Mondays: Measuring the wind direction

October 2, 2017
Imaggeo on Mondays: Measuring the wind direction
Measuring the wind direction. Credit: Andrew Moss (distributed via imaggeo.egu.eu).

Remote, rugged, raw and beautiful beyond measure, the island of South Georgia rises from the wild waters of the South Atlantic, 1300 km south east of the Falkland Islands. The Allardyce Range rises imposingly, south of Cumberland Bay, dominating the central part of the island. At its highest, it towers 2935 m (Mount Paget) above the surrounding landscape. In the region of 150 glaciers carve their ...[Read More]