Atoll-phosphate genesis : role of lagoonal biomass and possible role of endo-upwelling processes in phosphate concentration Circum Pacific conference and exhibition Trichet, J. /Rougerie, Francis ATOLL LAGON HYDROLOGIE MARINE SEDIMENTOLOGIE PHOSPHATE BIOMASSE DIAGENESE ENDO UPWELLING Dans l'atoll fermé de Niau (Tuamotu) l'hydrologie, la sédimentologie et le processus d'endo-upwelling géothermique sont testés comme facteur de génèse des phosphates en place au fond du lagon. (Résumé d'auteur) sn 1990 text https://www.documentation.ird.fr/hor/fdi:31219 fdi:31219 Trichet J., Rougerie Francis. Atoll-phosphate genesis : role of lagoonal biomass and possible role of endo-upwelling processes in phosphate concentration. In : . Circum Pacific conference and exhibition sn, 1990, 1 Circum Pacific Conference and Exhibition, Honolulu (HAWAI), 1990/07/29; 1990/08/03 FR POLYNESIE FRANCAISE TUAMOTU