GEOL3491: Earth Structure and Dynamics

• GEOL1081 Further Mathematics for Geoscientists

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• To acquire a fundamental understanding of the structure and dynamics of the interior of the Earth, how these are investigated and modelled numerically, and to understand current research approaches.
• To understand elastic deformation, the propagation of waves in the Earth and how they arise from the radiation of seismic sources
• To learn how seismic motion is recorded and used to reveal the Earth structure on different scales.
• To acquire a fundamental understanding of the fault mechanics that lead to failure and earthquake rupture.

• Quantitative analysis of heat flow and mantle flow in the Earth.
• Composition of the Earth.
• Mantle geodynamics (mantle convection, mantle plumes, subduction).
• Strength and deformation of rocks.
• Earths evolution through Hadean, Archean, Proterozoic and Phanerzoic.
• Radiation from earthquake sources.
• Mechanics of earthquake faults and seismic rupture.
• Wave propagation and Earth structure.

Subject-specific Knowledge:

• To understand the processes by which heat is transferred within the solid Earth.
• To understand the physics behind convection in the Earth.
• To acquire knowledge and understanding of the structure and composition of the Earth across different geological timescales.
• To acquire knowledge and understanding of Earth materials.
• To understand the physics and nature of mantle dynamic processes, such as mantle plumes, subduction processes, and intraplate volcanism.
• The evolution of tectonics throughout the long-term history of the Earth.
• To acquire a fundamental understanding of the processes that lead to earthquake rupture, namely: brittle failure, fault slip and friction.
• To understand seismic source radiation and wave propagation.
• To be acquainted with seismic data fundamentals and online earthquake databases.
• To reveal the Earth structure on different scales using seismic waves.

Subject-specific Skills:

• Providing key insight and understanding of the physical processes involved in Earth dynamics on a range of skills.
• Determine the state of deformation and stress in rocks and apply rupture criteria.
• Solve numerical problems using both computer-based and paper-based techniques.
• Critically evaluate the assumptions and uncertainties inherent in a model or analysis.
• Make simplifying assumptions to enable analysis of a complex geological problem or situation.
• Acquire the skills to synthesise data from a variety of sources.
• Acquire the skills to analyse, evaluate and interpret geophysical and geological data.

Key Skills:

• Develop problem-solving skills, initiative and persistence in tackling unfamiliar and challenging questions through supervised practical work and summative assessments.
• Develop skills to discuss, evaluate, and review work with colleagues through discussion.
• Evaluate and reflect on assumptions and uncertainties in analysis through supervised practical work and summative assessments.

• The module is delivered through a mix of one-hour lecture and two hour practical sessions, supported by handouts, directed reading and web-based material.
• The practicals provide opportunities to apply principles, concepts and theory to case studies and practical examples.
• Guidance on preparation, key and exam skills is provided.

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