The Origin of Clay Minerals in Soils and Weathered Rocks

1. Front Matter

   Pages I-XIV

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2. Fundamentals of Clay Mineral Crystal Structure and Physicochemical Properties

   • Bruce Velde, Alain Meunier

   Pages 3-73

3. Basics for the Study of Soil and Weathered Rock Geochemical Systems

   • Bruce Velde, Alain Meunier

   Pages 75-111

4. The Development of Soils and Weathering Profile

   • Bruce Velde, Alain Meunier

   Pages 113-142

5. Clay Mineral Formation in Weathered Rocks: Water/Rock Interaction

   • Bruce Velde, Alain Meunier

   Pages 143-239

6. Plants and Soil Clay Minerals

   • Bruce Velde, Alain Meunier

   Pages 241-281

7. Clays and Climate – Clay Assemblages Formed under Extreme Humidity Conditions

   • Bruce Velde, Alain Meunier

   Pages 283-299

8. Physical Disequilibrium and Transportation of Soil Material

   • Bruce Velde, Alain Meunier

   Pages 301-319

9. The Place of Clay Mineral Species in Soils and Alterites

   • Bruce Velde, Alain Meunier

   Pages 321-351

10. The Place of Clay Mineral Species in Soils and Alterites

    • Bruce Velde, Alain Meunier

    Pages 321-351

11. Back Matter

    Pages 353-406

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Of course such a book as we propose here is not the product of just two people working together, although the experience has been a great pleasure for us. We would like to thank our many collaborators and students who have encouraged our effort by their, often, sharp criticism. We hope that we have used their comments to good effect. Es- cially we would like to thank Pierre Barré for his help, enthusiasm and consent for the use of much of his thesis material in formulating the last chapter of the book. Dominique Righi was instrumental in giving us ideas, useful comments and vigorous debate for a great number of our ideas and during the periods of formulation of our conclusions. Our approach is from mineral chemistry and hence has greatly benefited from disc- sions with people who know soils and plants. The project of this book was realized and encouraged with the help of Wolfgang Engel who, unfortunately is not with us to see its finalization. We greatly regret his passing. This book is not in the general pattern of accepted knowledge and analysis of the phenomena which affect the occurrence of clays in the surface environment. We stress the role of plants at the bio-interface and the importance of microsystems at the water/ rock interface. We believe that the literature at our and anyone’s disposal shows that the system of clay formation and reaction is highly dynamic, especially at the surface.

• Geoinformationssysteme
• Transport
• biosphere interface
• chemical systems
• clay minerals
• ecosystem
• environment
• soil
• soils
• weathering processes

• Département Terre-Atmosphère-Océan, Laboratoire de Géologie, Ecole Normale Supérieure (ENS), Paris Cedex 05, France

  Bruce Velde

• Université de Poitiers UMR 6532 HydrASA – Bâtiment Géologie, Poitiers Cedex, France

  Alain Meunier

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