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Department of Earth Sciences

 
Read more at: London Underground polluted with magnetic particles small enough to enter human bloodstream
Image of a London Underground train approaching the station

London Underground polluted with magnetic particles small enough to enter human bloodstream

15 December 2022

The London Underground is polluted with ultrafine metallic particles small enough to end up in the human bloodstream, according to University of Cambridge researchers. These particles are so small that they are likely being underestimated in surveys of pollution in the world’s oldest metro system. The researchers carried...


Read more at: Northern Borneo's tectonic history and unusual landforms examined with seismic data
Photo of a sharp mountain peak with two people standing on the flanks

Northern Borneo's tectonic history and unusual landforms examined with seismic data

15 December 2022

Northern Borneo is dotted with puzzling landforms that can’t be explained by typical plate tectonic processes. One example is Mount Kinabalu —in the Malaysian state of Sabah in northern Borneo — an anomalous granite mountain which towers at twice the height of all other peaks in the country. “We wanted to know how strange...


Read more at: Unearthing the reasons why some ancient rocky cratons outlive others
Microphotograph of mantle xenolith, showing large 'wavy' orthopyroxene which has been sheared.

Unearthing the reasons why some ancient rocky cratons outlive others

13 December 2022

Our planet’s surface might seem stable and constant, but it is in fact being continually recycled by plate tectonic processes that send old rocks diving into Earth’s interior. Looking around us, from the mountains of the Himalayas to the bottom of the ocean, many rocks are no more than a few hundred million years old. But...


Read more at: Lab experiments show mechanics of deep ocean eruption plumes
NASA Earth Observatory satellite image showing the pumice raft from the Havre submarine eruption of 2012

Lab experiments show mechanics of deep ocean eruption plumes

12 December 2022

The largest recorded deep ocean volcanic eruption happened in 2012, when the Havre seamount in the Kermadec arc, New Zealand, exploded — releasing a raft of pumice up to five metres thick and covering an area of 400 square kilometres. Roughly three quarters of volcanoes on Earth are not on land but in the deep ocean...


Read more at: Fossil overturns more than a century of knowledge about the origin of modern birds
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Fossil overturns more than a century of knowledge about the origin of modern birds

30 November 2022

Fossilised fragments of a skeleton, hidden within a rock the size of a grapefruit, have helped upend one of the longest-standing assumptions about the origins of modern birds. Researchers from the University of Cambridge and the Natuurhistorisch Museum Maastricht found that one of the key skull features that characterises...


Read more at: Welcome to our new Associate Professor of Climate Modelling
Graphic showing ocean circulation off the coast of Florida

Welcome to our new Associate Professor of Climate Modelling

22 November 2022

Ali Mashayek joins us from Imperial College London, where he is a lecturer in geophysical fluid dynamics and climate science and an affiliate of the Grantham Institute of Climate Change and the Environment. Ali’s research group studies ocean physics and ecosystem processes in order to understand larger scale budgets of...


Read more at: Scientists track heavy metal pollution along the North Sea coast through the last century
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Scientists track heavy metal pollution along the North Sea coast through the last century

17 November 2022

New research led by Cambridge earth scientists has documented heavy metal pollution along the North Sea coast over the last century. The study, published in the Marine Pollution Bulletin, used dog whelks collected from the Belgian and Dutch foreshores as a tool to identify changes in lead pollution over time. It reveals...


Read more at: Shaking up how we think of earthquake cycles
Photo of Natalie Forrest with green hills behind

Shaking up how we think of earthquake cycles

2 November 2022

Seismologists try to understand where and when earthquakes might happen in the future by studying recent earthquake sequences. Typically, they rely on the principle that stress accumulates slowly along a fault and is periodically released as an earthquake in a repeating, cyclical pattern. But two near-identical earthquakes...


Read more at: Scientists map deep waters in the Nordic Seas, showing ocean circulation during and after last ice age
Illustrations showing patterns of ocean circulation across the globe

Scientists map deep waters in the Nordic Seas, showing ocean circulation during and after last ice age

27 October 2022

A new study involving Cambridge earth scientists has mapped out ocean currents in the North Atlantic over time, revealing changes in the movement of deep water tied to the growth and decline of ice sheets. The research, published in the journal Nature Geoscience , measured isotopic tracers of ocean circulation in samples...


Read more at: When did birds get so smart? It might have been earlier than we’d thought, fossil find reveals
Close up of fossil showing bird brain case

When did birds get so smart? It might have been earlier than we’d thought, fossil find reveals

19 October 2022

New research on an 80-million-year-old bird fossil suggests that early birds may have been highly intelligent like modern ones, changing our timeline of when they first got smart. The study , which involved researchers from Cambridge’s Field Palaeobiology Research Group , mapped out impressions left inside the braincase of...