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Oxford Earth Sciences
@oxuniearthsci.bsky.social
The Department of Earth Sciences at the University of Oxford
Thinking about graduate study? Our department offers an inspiring environment for research and learning 🌏

Hear from current DPhil students Sofia and Brandon in this short video: www.youtube.com/watch?v=Mnh2...
DPhil Study in the Department of Earth Sciences, University of Oxford
Calling all prospective graduate students with a passion for our planet! Check out these interviews with current DPhils Sofia and Brandon, and hear about their experience of graduate study in the…
www.youtube.com
November 26, 2025 at 2:01 PM
Reposted by Oxford Earth Sciences
NEW: The best new science books for kids, recommended by Tamsin Mather, chair of the 2025 Royal Society Young People’s Book Prize judging panel fivebooks.com/best-books/b...
Best New Science Books for Children: Royal Society Young People’s Book Prize 2025
The best new science books for kids: the 2025 Royal Society book prize shortlist, introduced by Professor Tamsin Mather
fivebooks.com
November 25, 2025 at 1:00 PM
New research from Martino Foschi and Joe Cartwright has been featured as an editor’s highlight in the Journal of Geophysical Research: Solid Earth, which we are delighted to share here: eos.org/editor-highl...
The Invisible Brake: Near‑Surface Cooling Stalls Giant Dyke Swarms   - Eos
Sill-based pressure reconstructions show Mull’s giant dykes had eruption-capable pressures, but near‑surface groundwater cooling increased magma viscosity and stalled lateral propagation.
eos.org
November 24, 2025 at 12:36 PM
The Department of Earth Sciences is delighted to announce that Professor Mike Searle has been awarded the Arthur Holmes Medal of the European Geosciences Union for 2026, in recognition of his fundamental contributions to Himalayan tectonics.

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Professor Mike Searle awarded EGU Arthur Holmes medal
The Arthur Holmes Medal is one of the three equally ranked most prestigious awards made annually by the European Geosciences Union. The award is made to scientists who have “achieved exceptional international standing in solid Earth geosciences, defined in their widest senses, for their merit and their scientific achievements”. The award is named after British geologist Arthur Holmes, who is known for his work on radiometric dating and mantle convection.
www.earth.ox.ac.uk
November 20, 2025 at 4:08 PM
New research from Oxford Earth Sciences' Sophie Gill, Ros Rickaby and Gideon Henderson provides important insights into the safe operational boundaries of Ocean Alkalinity Enhancement and the likely impacts on major calcifying organisms.

Read the full article here:
The Physiological Response of Contrasting Coccolithophore Species to Ocean Alkalinity Enhancement
Increased alkalinity significantly boosts growth rates of coccolithophores Gephyrocapsa huxleyi and Coccolithus braarudii Divergent responses between species arise as large C. braarudii rely on C...
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November 17, 2025 at 4:41 PM
New Earth Sciences in Conversation interview! Meet Darren Hillegonds, Research Fellow in Analytical Chemistry, and hear about his journey from Chemistry to Earth Sciences, and his love of noble gases...

www.earth.ox.ac.uk/article/eart...
November 17, 2025 at 3:01 PM
Reposted by Oxford Earth Sciences
In Summer 2024, a team of palaeontologists and geologists undertook an expedition to the Little Dal Group in the Mackenzie Mountains, Northwest Territories, Canada.

Their purpose was to uncover some of the oldest fossil ecosystems that record complex life.
November 12, 2025 at 3:37 PM
Reposted by Oxford Earth Sciences
Dr Ross was joined in Canada by DPhil student, George Wedlake, from @oxuniearthsci.bsky.social . They spent two weeks collecting over 100 rock samples which record an ancient tropical sea not unlike the Bahamas today, where early complex life likely flourished.
November 12, 2025 at 3:37 PM
What's your favourite plate boundary?

Find out Adina's favourite in part two of our In Conversation interview with her. You can read the full in depth interview here: www.earth.ox.ac.uk/article/eart...
November 12, 2025 at 1:43 PM
Adina Pusok, Royal Society University Research Fellow, is the featured scientist in our latest In Conversation interview! Learn more about her career journey, her research fellowship, and her favourite type of plate tectonic boundary...

Read the full interview: buff.ly/DKufvGe
November 7, 2025 at 9:23 AM
New research by Oxford Earth Sciences’ Dr Rita Kounoudis, published today in Nature, challenges long-held assumptions about what controls the strength of Earth’s outer shell and its susceptibility to continental break-up.

www.earth.ox.ac.uk/article/myst...
The Mystery of the Turkana Depression
One of the seismic stations in the Turkana Depression
www.earth.ox.ac.uk
November 6, 2025 at 2:56 PM
Reposted by Oxford Earth Sciences
Professor of Earth Sciences @oxuniearthsci.bsky.social, Tamsin Mather, reflects on how volcanoes are portrayed in TV and film compared to real scientific understanding.
www.joinexpeditions.com/experts/4635
November 4, 2025 at 12:37 PM
Reposted by Oxford Earth Sciences
Tamsin Mather, professor of Earth Sciences @oxuniearthsci.bsky.social, reflects on her career studying volcanic plumes. She shares how recent research has taken her from monitoring emissions in volcanic plumes to identifying traces of ancient volcanic activity hidden in sediments.
#PLPEXPeditions
November 4, 2025 at 12:42 PM
We're excited to announce that Professor Helen Johnson was interviewed by Michael Rosen as part of the Hot Poets Ignite campaign!

Hot Poets is an award-winning arts organisation working to communicate climate change science and action through spoken word poetry.

www.youtube.com/watch?v=ytOH...
Climate Problems and Solutions Meet The Scientist - Michael Rosen & Helen Johnson Pt 1
YouTube video by Hot Poets
www.youtube.com
November 5, 2025 at 4:13 PM
Tamsin Mather reflects on the power of volcanoes, how they interact with humans, and their role in the origins of life 🌋

Discover the collection on the EXPeditions website from the Leverhulme Trust: www.joinexpeditions.com/experts/4635...

@expeditions.bsky.social @leverhulme.ac.uk
Tamsin Mather
I am a professor of volcanology. Drawing on expertise in volcanology and magmatism, atmospheric chemistry and paleoclimatology-stratigraphy, my work investigates volcanic behavior across multiple time...
www.joinexpeditions.com
November 3, 2025 at 3:19 PM
Roger Close has been featured on Australian radio talking about his research investigating biodiversity through time!

The Science Show on ABC invites scientists to speak about the latest scientific research and debate

Listen now:
www.abc.net.au/listen/progr...
Our understanding of changes in biodiversity over time questioned - ABC listen
Our understanding of the evolution of biodiversity is based on fossil evidence. But so much more may lie buried and reveal a different story.
www.abc.net.au
November 3, 2025 at 9:54 AM
For our second Earth Sciences in Conversation interview, we sat down with Phil Holdship to learn more about his work at the forefront of mass spectrometry, doing a DPhil part-time, and tackling anaemia with analytical chemistry!

Read the full interview: buff.ly/ZYvzrCz
October 31, 2025 at 12:32 PM
Associate Professor Julie Cosmidis has been awarded the distinguished 2025 European Mineralogical Union Research Excellence Medal in recognition of her outstanding scientific achievements.

Many congratulations to Julie on this well-deserved honour!

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October 28, 2025 at 2:45 PM
Tomorrow at 1pm online! Join our Q&A talking about Graduate Study in Earth Sciences. Ask about applications, funding, research opportunities and more! Register here - buff.ly/m4jl0vR
October 27, 2025 at 10:02 AM
Reposted by Oxford Earth Sciences
We're advertising a PhD project to investigate the hydrodynamics of Aldabra Atoll @oxuniearthsci.bsky.social! We are looking for a student with strong quantitative skills and interest in ocean modelling. Competitive funding available through ILESLA. Please share with anybody who may be interested!
October 22, 2025 at 9:32 AM
Reposted by Oxford Earth Sciences
Are you a new student at the University of Oxford? The Bodleian's Getting Started page has guides and resources to help you get the most out of the network of libraries that are available to you:
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October 23, 2025 at 1:47 PM
Ever wondered what a Planetary Scientist has on their wish list? Associate Prof James Bryson talks us through his dream cosmic samples in our latest Earth Sciences in Conversation interview!

Read the full interview: buff.ly/PvZuvKi
October 22, 2025 at 3:06 PM
Our second year undergraduates recently returned from their Dorset field course, where they spent an exciting week sharpening their fieldwork skills!
October 21, 2025 at 1:02 PM
Our 'Graduate Study in Earth Sciences' Online Q&A is next week! If you've ever thought of studying for a DPhil in Earth Sciences then join us for an hour long Q&A and ask our current DPhils any questions you have. Tues 28th Oct, 1pm-2pm.
Graduate Study in Earth Sciences - Online Q&A
Discover graduate study at Oxford Earth Sciences during this informative event for prospective DPhil candidates. Meet some of our current DPhils and ask all your questions about their experience with…
www.earth.ox.ac.uk
October 20, 2025 at 3:43 PM
Reposted by Oxford Earth Sciences
🦕 We're back on the Jurassic Highway!

The longest dinosaur trackway in Europe made by an individual sauropod dinosaur has been uncovered during further excavation work from the team co-led by OUMNH.

👇 Read more on the discoveries: www.bbc.co.uk/news/resourc...
Huge dinosaur trackway uncovered in the UK - BBC News
One of the longest sets of dinosaur footprints in the world has been discovered in a limestone quarry
www.bbc.co.uk
October 17, 2025 at 7:32 AM