Clays and Clay Minerals
Volume 44 Number 2 April 1996
Contents
K Transfer During Burial Diagenesis in the Mahakam Delta Basin (Kalimantan, Indonesia)
Sylvie Furlan, Norbert Clauer, Sam Chadhuri, and Frédéric Sommer 157
Interaction of Trialkyl Phosphites with Montmorillonites
G. Dios Cancela, E. Romero Taboada, F.J. Huertas, A. Hernández Laguna, and F. Sánchez Rasero 170
Structural Transformations of Interstratified Illite-Smectites from Dolná Ves Hydrothermal Deposits: Dynamics and Mechanisms
V.A. Drits, A.L. Salyn, and V. Sucha 181
Why Does Halloysite Roll?— A New Model
Balbir Singh 191
Study of a Commercial SiO2 Sol and Gel by Small Angle X-ray Scattering: Effect of Sample Thickness and Interpretation by Means of Smoluchowski Scheme
Yingnian Xu, Pang L. Hiew, Matthew Akira Klippenstein, and Yoshikata Koga 197
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Fe Mössbauer Effect Study of Al-Substituted LepidocrocitesE. De Grave, G. M. da Costa, L. H. Bowen, U. Schwertmann, and R. E. Vandenberghe 214
Sorption Mechanisms of Lanthanum on Oxide Minerals
Scott Fendorf and Mark Fendorf 220
Dissolution of Hectorite in Inorganic Acids
P. Komadel, J. Madejová, M. Janek. W. P. Gates, R. J. Kirkpatrick, and J. W. Stucki 228
Study of Nanocomposites Obtained by Carbonization of Different Organic Precursors within Taeniolite Matrices
Teresa J. Bandosz, Karol Putyera, Jacek Jagiello, and James A. Schwarz 237
Weathering of Chlorite in a Quartz-Chlorite Schist: I. Mineralogical and Chemical Changes
Takashi Murakami, Hiroshi Isobe, Tsutomu Sato, and Toshihiko Ohnuki 244
TEM Observations of Coherent Stacking Relations in Smectite, I/S and Illite of Shales: Evidence for McEwan Crystallites and Dominance of 2M1 Polytypism
Hailiang Dong and Donald R. Peacor 257
Exchange Reactions in the Ca-Mg-Na-Montmorillionite System
Giora Rytwo, Amos Banin, and Shlomo Nir 276
Goethite Dispersibility in Solutions of Variable Ionic Strength and Soluble Organic Matter Content
A. C. Herrera Ramos and M. B. McBride 286