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Talk by Zhongqing Wu: "Exploring the Earth’s interior with the elasticity of minerals"

  Scientific Talks

Date: Monday, 12th of August 2019; 2 p.m.

Venue: Potsdam, Telegrafenberg, building H, lecture room 2

Hosts: Prof. Dr. Maribel Núñez Valdez & Prof. Dr. Monika Koch-Müller, Section 3.6: 'Chemistry and Physics of Earth Materials', GFZ German Research Centre for Geosciences

Speaker: Prof. Zhongqing Wu, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, PR China

All people interested are invited!


The elasticity of minerals at high temperature and pressure is crucial for us in constraining the composition of Earth's interior and interpreting the seismic results. We obtained the elasticity of several minerals at the conditions of the Earth's mantle with first-principles calculations. These elastic data agree well with available experimental data. Based on these elasticity results, we discuss the multiple issues on the Earth’s interior such as the composition of the lower mantle, the relation between the dehydration of superhydrous phase B, the 800-km seismic discontinuity, and the water content in the transition zone.