The deadline to submit a session, town hall, or pre-conference workshop proposal for AGU25 has passed. Please search for and review proposed sessions below. Please note this site is frozen as of 4/29/25 and will not reflect any changes to proposals made after this date.


Conveners will be contacted by the AGU25 Program Committee with any requests for mergers or edits to proposals. Conveners will be notified of the acceptance of their proposal in mid-June.


Abstract submissions will also open in mid-June and the deadline for abstract submissions is 30 July, 2025.


Please visit the AGU25 website for more information or please contact AGU with any questions.

Abstract: Reassessment of Pb Isotope Composition of SRM 981 Resolves Discrepancies in U-Pb Geochronology (AGU25)

Reassessment of Pb Isotope Composition of SRM 981 Resolves Discrepancies in U-Pb Geochronology

Ryan Ben Ickert1, Juris Meija2, Shuoyun Tong2, Brad Methven2 and Lu Yang2, (1)Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, United States, (2)Metrology Research Centre, National Research Council Canada, Ottawa, ON, Canada