The Department of Geosciences and Princeton University congratulates Dr. Xiangtao Xu on successfully defending his Ph.D. thesis: "Understanding Plant Water Stress and The Terrestrial Carbon Cycle in Tropical Ecosystems: The Roles of Plant Hydraulics, Phenology and Competition" on Tuesday, September 26, 2017.

The Department of Geosciences and Princeton University congratulates Dr. Maria Paula Mateo Fernandez Caso on successfully defending her Ph.D. thesis: "Environmental Changes and Timing of Events During the Cretaceous-Paleogene Transition: Assessing Consequences of Deccan Volcanism and the Chicxulub Impact" on Wednesday, July 5, 2017.

Congratulations to Geosciences' Senior Class of 2017 and to the 2016-2017 Geosciences/AOS Ph.D. Recipients

The Department of Geosciences and Princeton University congratulates Dr. Dario Marconi on successfully defending his Ph.D. thesis: "Use of the Nitrate Isotopes in the Ocean Interior to Explore the Isotopic Composition of Sinking Nitrogen and its Implications for Marine Biogeochemical Cycles" on Thursday, May 18, 2017.

The Department of Geosciences and Princeton University congratulates Dr. Kyle M. Samperton on successfully defending his Ph.D. thesis: "Portrait of a Pluton: Magmatic Perspectives from the Mid-Crustal Bergell Intrusion, Central Alps" on Thursday, February 2, 2017.