The AMGC group presented 19 talks and posters at this year Goldschmidt Conference held in Lyon (France) from July 9 to 14 2023. See the list below, click on title to read the abstract. Oral presentationsRuthenium isotope composition of the K-Pg impactor and terrestrial impact structuresFischer-Goedde et al. Fe, Zn and Mg stable isotope records of early differentiation and core formation of the ureilite parent bodyChernonozhkin et al. A volcanological approach to better understand impact-related aggregated particles: constraints from the Chicxulub proximal ejecta blanketFeignon et al. CSI Solar System: Clues from chromites in cosmic dustVan Maldeghem et al.Northwest Africa 13188: a possible meteorite ... from Earth!Gattacceca et al.Oceans of data: Comparing the sea spray effect on bioavailable strontium across islandsJames et al. Hot carbonates deep within the Chicxulub impact structure as revealed by clumped isotope thermometryKaskes et al.Understanding diet through combined stable and radiogenic Sr isotope systematics in archaeological skeletal remainsGerritzen et al. Is lunar dust producing the late Eocene 3He anomaly, 36 Ma ago? New insights from extraterrestrial 3He in iridium poor marine sediments.Fritz et al. Uranium-isotope records of global ocean deoxygenation during the Early Aptian Oceanic Anoxic Event (OAE 1a)Percival et al. Chemical characterization of an Early Cretaceous coprolite assemblage (Angeac-Charente, France).Rey et al. Poster presentationsMicrostructures and U-Pb ages of phosphates in Apollo 14 brecciasThiessen et al.Moderately volatile elements in CB and CH chondritesRoland et al.Tracing variations in the Flux of Extraterrestrial Material through timeKramer-Ruggiu et al.Non-traditional isotopic variations in the Rochechouart impact structures: tracers of melting, mixing, volatilization and hydrothermal alteration.Faucher et al.Iron isotope signatures of distal impact spherules from the Cretaceous-Paleogene boundaryRabin et al.A new Eemian-aged reconstruction of temperature and effective moisture from Padul Wetland, Southern IberiaDoyle et al. Trace element determination in Ca-heavy matrices: comparing ICP-MS based strategies and protocolsBoonants et al.Controls on rare earth element dynamics during low- and high-temperature fluid-rock interactions in carbonatitesPourkhorsandi et al.