Protocols for bulk off-line fluid inclusion extraction for the analysis of δ13C-CH4 and δ13C-CO2 using a cavity ring-down spectroscopy (CRDS) analyser - Olivieri, Orlando Sébastien; Marassi, Valentina; Casolari, Sonia; Sissman, Olivier; Daniel, Isabelle; Fiebig, Jens; Vitale Brovarone, Alberto (Frontiers in Earth Science, 2024)