NATO Science Series C

Preface.- Chemical Models of Weathering in Soils.- Multicomponent Solid Solutions for Clay Minerals and Computer Modeling of Weathering Processes.- Dissolution Mechanisms of Pyroxenes and Olivines During Weathering.- The Effects of Complex-Forming Ligands on The Dissolution of Oxides and Aluminosilicates.- Kinetic Study of The Dissolution of Albite With a Continuous Flow-Through Fluidized Bed Reactor.- Interstratified Clay Minerals and Weathering Processes.- Formation of Secondary Iron Oxides in Various Environments.- Physical Conditions in Alunite Precipitation as a Secondary Mineral.- This Planet is Alive-Weathering and Biology, A Multi-Facetted Problem.- Solubilization, Transport, and Deposition of Mineral Cations by Microorganisms - Efficient Rock Weathering Agents.- Chemical Weathering and Solution Chemistry in Acid Forest Soils: Differential Influence of Soil Type, Biotic Processes, and H+ Deposition.- Proton Consumption Rates in Holocene and Present-Day Weathering of Acid Forest Soils.- Equilibrium and Disequilibrium Between Pore Waters and Minerals in the Weathering Environment.- Hydrogeochemical Constraints on Mass Balances in Forested Watersheds of the Southern Appalachians.- Past and Present Serpentinisation of Ultramafic Rocks; An Example from the Semail Ophiolite Nappe of Northern Oman.- Manganese Concentration Through Chemical Weathering of Metamorphic Rocks Under Lateritic Conditions.- River Chemistry, Geology, Geomorphology, and Soils in the Amazon and Orinoco Basins.- List of Workshop Participants.