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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

Marissa gives her tenure talk in Purdue EAPS

September 2025: Marissa delivered her tenure talk to faculty and students of the Department of Earth, Atmospheric, and Planetary Sciences at Purdue. Marissa's part in the tenure process is done; now she just waits for her colleagues to decide her fate!

Marissa standing with her talk title slide.

Wenbo awarded best poster at the Geochronology GRC!

August 2025: Third year Ph.D. student Wenbo Zhan presented a poster on his research dating river terraces in southern California at the 2025 Gordon Research Conference on Geochronology. Wenbo’s poster and presentation were so stellar that he won the Best Poster award for the conference! Congratulations, Wenbo!!!

Wenbo with best poster award

 

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