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We use noble gas geochemistry to study the physical and chemical processes shaping the surfaces of Earth and other planets.

 Some of the scientific problems our work addresses include:

  • how the Earth’s climate changed during the geologic past
  • how tectonic and geomorphic processes interact to shape topography
  • the impact history of the Moon and other planetary bodies in the inner Solar System
  • rates of volcanism and interactions between volcanism and Earth’s climate system

We also conduct basic experimental research on the kinetics of noble gas diffusion in minerals, which has broad significance across both Earth and planetary science disciplines. To learn more about the current and recent research efforts of T@P, check out our Research page.

Recent Lab News

Congratulations, Dr. Moe Mijjum!!

June 2025: Moe Mijjum successfully defended her Ph.D. dissertation! We are so proud of Moe and everything she has accomplished in her 5 years at Purdue. Dr. Mijjum will be joining the Smithsonian Museum of Natural History as the Peter Buck Postdoctoral Fellow in Sepetemer. Congratulations, Moe!!!

Moe at her PhD defense

Hongcheng's paper is published in GCA

June 2025: Postdoctoral researcher Dr. Hongcheng Guo's paper Systematics of helium diffusion sinks in apatite demonstrated by 4He/3He degassing experiments and modeling has been published in Geochemica et Cosmochimica Acta. Congratulations, Hongcheng!

 

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Opportunities to join T@P