Developments in Geochemistry, Volume 2: Rare Earth Element Geochemistry presents the remarkable developments in the chemistry and geochemistry of the rare earth elements. This book discusses the analytical techniques and the recognition that rare earth fractionation occurs naturally in different ways. Organized into 13 chapters, this volume begins with an overview of the wide array of types and sizes of the cation coordination polyhedral in rock-forming minerals. This text then examines the application of rare earth element abundances to petrogenetic problems that has centered on the evolution of igneous rocks. Other chapters consider the matching of observed rare earth element abundances with those provided by the theoretical modeling of petrogenetic processes. This book discusses as well the hypotheses on the genesis of a rock or mineral suite. The final chapter deals with the principal analytical methods. This book is a valuable resource for undergraduates, lecturers, and researchers who study petrology and geochemistry.

Table of Contents


List of Contributors


Chapter 1. General Geochemical Properties and Abundances of the Rare Earth Elements

1.1. Introduction

1.2. Abundances in the Solar System, Sun and Earth

1.3. Data Presentation

1.4. Oxidation States

1.5. Element Co-Ordination and Ionic Radii

1.6. Element Substitution and Partition

1.7. Geochemical Reference Literature


Chapter 2. Minerology of the Rare Earth Elements

2.1. Introduction

2.2. Halides

2.3. Carbonates

2.4. Carbonates with Fluoride

2.5. Oxides

2.6. Borate

2.7. Silicates

2.8. Silicates with Other Anions

2.9. Phosphates

2.10. Arsenates

2.11. Sulphate


Chapter 3. Cosmochemistry of the Rare Earth Elements: Meteorite Studies

3.1. Introduction

3.2. Condensation Theory

3.3. REE abundances in Ca, Al-Rich Inclusions

3.4. REE in Other Components of Chondrites

3.5. Whole-Rock Chondrite Analyses

3.6. Analyses of Achondrites

3.7. REE in Other Differentiated Meteorites

3.8. Summary of REE Cosmochemistry and Future Directions


Chapter 4. Petrogenetic Modeling - Use of Rare Earth Elements

4.1. Introduction

4.2. Modeling of Separation Processes

4.3. Simple Chemical Partitioning — The Nernst D

4.4. Equilibrium Melting and Crystallization

4.5. Fractional Crystallization: Continuous Removal of Crystals

4.6. Fractional Crystallization: Crystal Zoning-Surface Equilibrium

4.7. Incremental Partial Melting

4.8. Zone Melting

4.9. Extract


© 1984
Elsevier Science
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About the editor


@qu:A welcome contribution as a synthesis of world progress in a relatively new and exciting field. @source: Australian Mineral Foundation