TY - RPRT T1 - Synthèse des différentes études sur le manganèse des fonds océaniques A1 - Michard,G A1 - Boulad,A- P A1 - Boulegue,J A1 - Grimaud,D A1 - Kornprobst,C A1 - Lavergne,D A1 - Renard,D UR - https://archimer.ifremer.fr/doc/00000/4951/ KW - Histoire Ifremer N2 - Core samples and related interstitial waters obtained during oceanographic cruises (Walda, Transpac 1 and 2) were studied. A model is proposed to explain the origin of manganese at the sediment sea water boundary. One source of the manganese of ferromanganese nodules can be deduced by the concentration mechanism described. Ni, Cu, Co, Zn are trapped within ferromanganese nodules by adsorption from sea water. [NOT CONTROLLED OCR] Y1 - 1977/04 ID - 4951 ER -