Supplement to: Le Suave, Raymond; Pichocki, C; Pautot, Guy; Hoffert, Michel; Morel, Yann; Voisset, Michel; Monti, S; Amossé, J; Kosakevitch, A (1989): Geological and mineralogical study of Co-rich ferromanganese crusts from a submerged atoll in the Tuamotu Archipelago (French Polynesia). Marine Geology, 87(2-4), 227-247, https://doi.org/10.1016/0025-3227(89)90063-7