Spatial and seasonal relationship between 17 O-excess of grass phytoliths and relative humidity in the North American Great Plains [résumé] Guo, M. Alexandre, A. Vallet-Coulomb, C. Longstaffe, F.J. /Peugeot, Christophe /Au Yang, David Aleman, J. Webb, E. European Association of Geochemistry 2024 text https://www.documentation.ird.fr/hor/fdi:010095241 fdi:010095241 Guo M., Alexandre A., Vallet-Coulomb C., Longstaffe F.J., Peugeot Christophe, Au Yang David, Aleman J., Webb E.. Spatial and seasonal relationship between 17 O-excess of grass phytoliths and relative humidity in the North American Great Plains [résumé]. European Association of Geochemistry, 2024, en ligne [1 ] Goldschmidt Conference 2024, Chicago (USA), 2024/08/18-23 EN AMERIQUE DU NORD