Dear Colleagues, We wish to announce our session at the AGU Fall Meeting "Multifaceted volatiles of the deep Earth" (DI012). Our session will highlight current research from the full spectrum of subdisciplines focused on the origin, evolution, distribution, and physical ramifications of volatile elements in the deep Earth. Please consider submitting your work! Abstract deadline is Wednesday, 4 August at 23:59 EDT right around the corner. Session link here: https://agu.confex.com/agu/fm21/prelim.cgi/Session/119754 Invited speakers: Jonathan Tucker (National Museum of Natural History, Smithsonian) Sang-Heon Dan Shim (SESE, Arizona State University) Conveners: Mingda Lyu, Suraj Bajgain, Mingming Li, Colin Jackson