Dear Colleagues, As the deadline for submissions is approaching please consider submitting an abstract to our AGU 2021 session (V001) entitled: *Advances and Applications of In-situ Petrochronology and Thermochronology* The abstract deadline is August 4th. We encourage submissions from scientists of all backgrounds and experience. Submit here: https://agu.confex.com/agu/fm21/prelim.cgi/Session/118350 We welcome contributions highlighting novel analyses and advances in in-situ geo- and thermochronology techniques, as well as direct applications, particularly those integrated with their spatial and petrologic context. We encourage studies from various geologic environments and scales. The AGU fall meeting (Dec. 13th–17th) includes an in-person and virtual component, so please submit your work even if you won’t be able to travel to New Orleans, LA. We are excited to highlight our invited speakers: Dr. Maree Mcgregor, University of New Brunswick Amy Moser, UC Santa Barbara On behalf of the conveners: Eirini Poulaki Cat Ross Megan Flansburg Joshua Garber -- Eirini-Maria Poulaki (she/her) Ph.D. Candidate The University of Texas at Austin Jackson School of Geosciences | Department of Geological Sciences Website <https://eirini-poulaki.squarespace.com/>