Microgeodynamic modeling of partially molten rocks

This project is available from the academic year 2020/21 onwards.

Theme: Solid Earth Dynamics

Primary Supervisor:

Saswata Hier-Majumder

Department of Earth Sciences, RHUL

Saswata Hier-Majumder's Profile Picture

Project Description:

In this project, the student will develop a high performance computational model of melt geometry in the Earth’s mantle. Small volume fractions of melt resides in nanometer to micron scale films, tubes, and pockets along the edges and corners of mineral grains in the mantle.

The volume fraction and geometry of melt in these small scale structures disproportionately influences the effective physical properties of the rock, manifested by seismic anomallies. Building on the previous work of Dr. Hier-Majumder’s group, the outcome of this project will be a dynamic, 3D model of melt geometry. This output will be used to decipher the origin of anomalous seismic signatures in the Earth’s core-mantle boundary.

Policy Impact of Research:

The research in this project builds on tools from fluid mechanics, applied mathematics, high performance computation, and materials science.

The outcome of this project will impact our understanding of the thermal state and composition of the deep Earth and interpretation of seismic anomalies.

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