LA-ICP-MS imaging technique application on Estonian sedimentary phosphorites : revealing REE enrichment stages and advanced ore characterisationGraul, Sophie; Monchal, Vincent; Rateau, Rémi; Joosu, Lauri; Moilanen, Marko; Ndiaye, Mawo; Hints, RuttEGU General Assembly 20242024 / EGU24-7319 https://doi.org/10.5194/egusphere-egu24-7319