The Platform for Stable Isoptope Analyses is located the CEREGE laboratory. The data it allows producing mainly feed CEREGE's research on paleoclimates, water and carbon cycles, and planetology. The platform is under the technical and scientific responsibility of Corinne Sonzogni (CNRS engineer) and Anne Alexandre (CNRS researcher), respectively. A second engineer, Martine Couapel (IRD engineer) is more particularly involved in silicate and water applications.