Stratigraphy

Imaggeo on Mondays: A modern cliff hides ancient dunes

Olivia Trani October 22, 2018

Ancient Dune, Modern Cliff Credit: Robert Wu (distributed via imaggeo.egu.eu)

Ancient sand dunes exposed off a cliff face on the shoreline of Nova Scotia at the Islands Provincial Park. The juxtaposition of the high angled strata and flat lying layers above revels the drastic change in climate in Nova Scotia’s history; from vast sand dunes to a calm lake system, and presently the western coastline of the Atlantic Ocean. Description by Robert Wu, as it first appeared o ...[Read More]

Living in a new Age

Robert Emberson September 14, 2018

The International Commission on Stratigraphy (ICS) has updated the timeline for Earth’s full geologic history, dividing the Holocene into three distinct periods. What does that mean for the Anthropocene? (Photo: East Khasi Hills in Megahalaya, India. The state is the namesake of the new geological age. Credit: Sai Avinash via Wikimedia Commons)

If you were suddenly told you were living in a different time period, what would your immediate reaction be? Changes in the calendar – even if it’s just terminology – have proven emotive in the past. In 1752, when England shifted from the Julian to Gregorian calendars, and 11 days were cut from 1752 to catch up, there are suggestions that civil unrest ensued. Once again, the name of the period in ...[Read More]

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

Olivia Trani August 1, 2018

The Mars Express spacecraft probing the southern hemisphere of Mars. Credit: ESA/INAF/Davide Coero Borga.

Drawing inspiration from popular stories on our social media channels, as well as unique and quirky research news, this monthly column aims to bring you the best of the Earth and planetary sciences from around the web. Major stories Signs of water 55 million kilometres away Last week scientists announced that they have found signs of existing water on Mars, offering new hope to the possibility o ...[Read More]

Geoscience hot topics – Part I: The Earth’s past and its origin

Laura Roberts-Artal November 18, 2015

Basalt . Credit: Dorothea Eue (distributed via imaggeo.egu.eu)

What are the most interesting, cutting-edge and compelling research topics within the scientific areas represented in the EGU divisions? Ground-breaking and innovative research features yearly at our annual General Assembly, but what are the overarching ideas and big research questions that still remain unanswered? We spoke to some of our division presidents and canvased their thoughts on what the ...[Read More]