Clays and clay minerals : structures, compositions, properties -- Surface acidity and catalytic activity -- Surface activation and modification -- Organic catalysis by clay-supported reagents -- Clay mineral catalysis of "name" reactions -- Clay mineral catalysis of isomerization, dimerization, oligomerization, and polymerization reactions -- Clay mineral catalysis of redox, asymmetric, and enantioselective reactions -- Clay mineral catalysis of natural processes and prebiotic organic reactions.