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Presented By: Earth and Environmental Sciences

Smith Lecture: Using Iron Isotopes to Understand Planetary Formation and Evolution

Peng Ni, Carnegie Institution for Science

Originated from similar building materials in the Solar System, Earth, other terrestrial planets, and large asteroids are widely different from each other as a result of distinct formation, differentiation, and evolution processes they experienced. Understanding these processes is vital to deciphering how planets achieved their current internal structure and chemical composition, the fate of volatiles throughout the geological history of a planet, and ultimately the favorable conditions leading to the development of habitable worlds. Recent advancement in mass spectrometry techniques enabled rapid exploitation in non-traditional isotope systems such as Fe and Cu, which brought us new ways to study planetary differentiation and evolution. In this talk, I will show how Fe isotopes can be used to understand planetary core crystallization and to trace deep subduction on Earth.

Those wishing to attend remotely should log in to Zoom ID#989 8458 7392

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