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Department of Earth Sciences

 
Read more at: New geomagnetic timescale through the Early Palaeozoic Icehouse
Photos shows stripey grey rocks in layers running horizontally

New geomagnetic timescale through the Early Palaeozoic Icehouse

9 February 2021

The Geomagnetic Polarity Timescale that charts the reversals of Earth’s magnetic field is well established for the past 200 million years, but increasingly patchy before that. In recent papers in Palaeogeography, Palaeoclimatology, Palaeoecology, scientists have reported the first reliable polarity timescale for later...


Read more at: Trapped gases in Kīlauea lavas are a window into the volcano’s fiery depths
Image of Dr Penny Wieser sampling the Kilauea lavas

Trapped gases in Kīlauea lavas are a window into the volcano’s fiery depths

9 February 2021

Pockets of frozen magma and gas trapped in the crystals erupted from Kīlauea are allowing scientists to see deep into its plumbing system - a below-ground view that could help volcanologists get a better handle on what triggered the colossal 2018 eruption. The 2018 eruption of Kīlauea volcano on the Island of Hawai’i was...


Read more at: Sedgwick Museum launches DIY Duria online gallery
The Duria Antiquior painting of ancient Dorset recreated with household items

Sedgwick Museum launches DIY Duria online gallery

4 February 2021

Early in the first lockdown, the Getty Museum challenged social media users to recreate artworks from its collection using household objects. The Sedgwick Museum, alongside their social media followers, got to work recreating the famous Duria Antiquior – a painting depicting the ancient Dorset shoreline teaming with...


Read more at: Earthquake depth and basin shape are deciding factors for seismic ground shaking
Photo of Aisling on field work, standing in front of mountains, in December 2019

Earthquake depth and basin shape are deciding factors for seismic ground shaking

2 February 2021

Research led by Aisling O’Kane, a PhD student in our Department, is helping scientists understand why some sedimentary basins -- low lying regions on Earth’s surface that accumulate sediments -- are particularly prone to hazardous ground shaking following earthquakes, one of the primary causes of building damage...


Read more at: Student receives Dave Johnston Mapping Prize

Student receives Dave Johnston Mapping Prize

25 January 2021

Congratulations to third year student, Peter Methley, on receiving the Dave Johnston Mapping Prize by the Tectonic Studies Group (TSG) of the Geological Society of London. The Prize is awarded annually to the best undergraduate student mapping dissertation. The Tectonic Studies Group, a Geological Society of London...


Read more at: New starfish-like fossil reveals evolution in action
Image of two Cantabrigiaster fezouataensis fossils

New starfish-like fossil reveals evolution in action

19 January 2021

Researchers from the University of Cambridge have discovered a fossil of the earliest starfish-like animal, which helps us understand the origins of the nimble-armed creature. The prototype starfish, which has features in common with both sea lilies and modern-day starfish, is a missing link for scientists trying to piece...


Read more at: New fossil evidence shows Australia’s oldest animals lived along the coastline
Fossil impressions in rocks from Flinders Ranges

New fossil evidence shows Australia’s oldest animals lived along the coastline

14 January 2021

Fossils of some of Earth’s first macroscopic animals – the roughly 550-million-year-old Ediacara biota – have been identified in rocks that record Australia’s ancient shorelines. Scientists had thought that these archaic lifeforms lived out to sea in calmer waters. But the new study, published in the Journal of Sedimentary...


Read more at: Dr Sanne Cottaar receives Royal Astronomical Society award

Dr Sanne Cottaar receives Royal Astronomical Society award

11 January 2021

Dr Sanne Cottaar has been awarded the 2021 Royal Astronomical Society Harold Jeffreys Lectureship for outstanding geophysical research into processes in the Earth’s lower mantle and core. The Royal Astronomical Society awards recognize scientists across the world for their significant achievement in the fields of astronomy...


Read more at: Muddying the waters – weathering might remove less atmospheric carbon dioxide than thought
Image of the Khone waterfall, Mekong River

Muddying the waters – weathering might remove less atmospheric carbon dioxide than thought

22 December 2020

The weathering of rocks at the Earth’s surface may play less role of a role in regulating our climate than previously thought, says new research from the University of Cambridge. The findings, published today in PNAS , suggest Earth’s natural mechanism for removing carbon dioxide (CO 2 ) from the atmosphere via the weathering of rocks may in fact be weaker than scientists had thought – calling into question the exact role of rocks in alleviating warming over millions of years.


Read more at: What can museum specimens tell us about climate change?
Aerial photo of Lake Ohrid Macedonia; image credit Shutterstock Ljupco Dzambazovski

What can museum specimens tell us about climate change?

30 November 2020

The humble blue mussel is fighting to protect itself from environmental change and increased predation by building itself a thicker shell. The unexpected phenomenon, tracked by researchers through generations of museum specimens, shows that climate change can have complex localized impacts that cannot be predicted by global experimental models.