Redox Characterization of the Surfaces of Seven Iron-Bearing Minerals: Use of Molecular Probes and UV-Visible Spectroscopy

Y. Shane Yu and George W. Bailey 573

Characterization of 1:1 Phyllosilicates Within Peloids of the Recent, Holocene and Miocene Deposits of the Congo Basin

A. Wiewióra, B. Lacka, and P. Giresse 587

Reduction of Nitrate by Fe²⁺ in Clay Minerals

Vibeke Ernstsen 599

Modeling Arsenate Competitive Adsorption on Kaolinite, Montmorillonite and Illite

Bruce A. Manning and S. Goldberg 609

Cation Exchange Capacity of Layer Silicates and Palagonitized Glass in Mafic Volcanic Rocks: A Comparative Study of Bulk Extraction and In Situ Techniques

P. Schiffman and R. J. Southard 624

The Dehydroxylation of the Kaolinite Clay Minerals Using Infrared Emission Spectroscopy

Ray L. Frost and Anthony M. Vassallo 635

Morphological and Chemical Features of Bioweathered Granitic Biotite Induced by Lichen Activity

Jacek Wierzchos and Carmen Ascaso 652

David B. Tilley and Richard A. Eggleton 658

Particle Shape Versus Coherent Scattering Domain of Illite/Smectite: Evidence from HRTEM of Dolná Ves Clays

Vladmír Sucha, Jan Srodon, Francoise Elsass, and William J. McHardy 665

Amorphous Aluminum Hydroxide Formed at the Earliest Weathering Stages of K-Feldspar

Motoharu Kawano and Katsutoshi Tomita 672

Comparison of Techniques for Determining the Fractal Dimensions of Clay Minerals

Kalumbu Malekani, James A. Rice, and Jar-Shyong Lin 677

Estimation of the Zeolite Contents of Tuffaceous Samples from the Bigadiç Clioptilolite Deposit, Western Turkey

Ahmet Sirkecioglu and Ayse Erdem-Senatalar 686

Clay Mineral Diagenesis and Thermal History of the Thonex Well, Western Swiss Molasse Basin

Roland Schegg and Werner Leu 693

Hydroxylation of Phenol on Titanium Pillared Montmorillonite

H. L. Del Castillo, A. Gil, and P. Grange 706

Comment on: Definition of Clay and Clay Mineral: Joint Report of the AIPEA Nomenclature and CMS Nomenclature Committees

D. M. Moore 710

Reply to the Comment by D. M. Moore on "Definition of Clay and Clay Mineral: Joint Report of the AIPEA Nomenclature and CMS Nomenclature Committees"

Stephen Guggenheim and Robert T. Martin 713

Corrections 716