gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.31 Interaction Experiments between Silica and Humic Acid Solution Ito Y. Nakashima S. Earth and Planetary Materials Science, Hokkaido University, N10W8, Sapporo, Hokkaido 001-0810, Japan Moulin V. DESD/SESD, Centre de Saclay, Commissariat à l'Energie Atomique, France Nagao S. Japan Atomic Energy Research Institute, Tokai, Japan 1998 62A 2 693 693 Copyright © 1998, The Mineralogical Society 1998