A Journey From The Center Of The Earth

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• Charles Carrigan, Dept of Earth Sciences, University of Cambridge
• Thursday 05 February 2026, 15:00-16:00
• Seminar Room C, Room C3.002, Ray Dolby Centre, Cavendish Laboratory (through the speed gates opposite the Cavendish Cafe).

If you have a question about this talk, please contact Malvina Constantinou.

Please arrive at RDC reception by 14:55 if coming from outside the department.

As a geoscientist who has spent his career at universities and national laboratories studying fluid mechanics, I have had the opportunity to pursue a wide range of research topics—from fundamental studies of flow in Earth’s core and mantle convection to the monitoring of CO₂ sequestration. The technical challenges encountered over the years have often been novel and always engaging. The U.S. Magma Energy Project of the 1980s, which explored the theory and practice of drilling into a magma body to extract heat for electricity generation, inspired further work on volcanism and magma transport within the Earth. This research led to investigations of thermally driven circulations and forced magma flows in conduits as mechanisms for offsetting heat loss and preventing eruptive pathways from solidifying. Viscosity—a critical parameter in modeling magma flow—is notoriously difficult to constrain in volcanic environments and often requires indirect and innovative methods, including high-pressure experiments conducted under challenging and sometimes hazardous conditions. At the opposite end of the viscosity spectrum, tracing the movement of gases through subsurface pores and fractures has also been a major research theme. Technologies such as electrical-resistance tomography have proven effective in monitoring CO₂ sequestration at depths approaching 3,000 meters. Finally, understanding how gases migrate through the subsurface under the combined influence of imposed and atmospheric pressure variations remains an active challenge motivating ongoing research on multiple fronts. The motivations behind this applied research, as well as the technologies developed to address these problems, will be the primary focus of this presentation.

This talk is part of the Physics and Chemistry of Solids Group series.

This talk is included in these lists:

• All Cavendish Laboratory Seminars
• All Talks (aka the CURE list)
• Centre for Health Leadership and Enterprise
• Featured lists
• ME Seminar
• Neurons, Fake News, DNA and your iPhone: The Mathematics of Information
• Physics and Chemistry of Solids Group
• School of Physical Sciences
• Seminar Room C, Room C3.002, Ray Dolby Centre, Cavendish Laboratory (through the speed gates opposite the Cavendish Cafe)
• Thin Film Magnetic Talks

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