Petrogenesis and Experimental Petrology of Granitic Rocks

• Main Authors: Johannes, Wilhelm, Holtz, Francois
• Format: eBook
• Language: English
• Published: Berlin, Heidelberg Springer Berlin / Heidelberg 1996; Springer Berlin Heidelberg
• Edition: 1
• Series: Minerals, Rocks and Mountains
• Subjects: Earth and Environmental Science; Earth Sciences; Geology; Granite; Mineralogy

This book deals with the petrogenesis of granitic rocks. It gives a summary and interpretation of experimental results obtained in synthetic and natural rock systems. The significance of water for the formation, intrusion and crystallization of granitic magmas forms an important part of the book. Em...

Table of Contents:

• Minerals and Rocks 22 -- Petrogenesis and Experimental Petrology of Granitic Rocks -- Copyright -- Foreword -- Contents -- Chapter 1 Introduction and Geological Background -- Chapter 2 The Haplogranite System Qz-Ab-Or -- Chapter 3 Properties of Hydrous Haplogranitic Melts -- Chapter 4 Effects of Additional Aluminum and Minor Components in the System Qz-Ab-Or -- Chapter 5 Fe and Mg in Granitic Melts -- Chapter 6 The Tonalite System Qz-Ab-An -- Chapter 7 The Granite System Qz-Ab-Or-An -- Chapter 8 Experiments with Natural Granites and Related Rocks -- Chapter 9 Formation of Granitic Magmas by Dehydration Melting -- Appendix. List of Abbreviations Used in the Text -- References -- Permission Statement -- Subject Index
• 1 Introduction and Geological Background -- 1.1 Granites and the Continental Crust -- 1.2 Chemical and Mineralogical Characteristics of Some Important Granite Types -- 1.3 Granite Magmatism and the Formation of the Continental Crust -- 1.4 Granite and Water -- 2 The Haplogranite System Qz-Ab-Or -- 2.1 Beginning of Melting in the System Qz-Ab-Or at $$ {a_{{{H_2}0}}} = 1 $$ and Composition of Initial Melts -- 2.2 Dry Melting in the System Qz-Ab-Or -- 2.3 Melting in Subsystems (Dry and at $$ {a_{{{H_2}0}}} = 1 $$) -- 2.4 Beginning of Melting at Ab-H20-CO2 -- 2.5 Liquidus Phase Relationships -- 3 Properties of Hydrous Haplogranitic Melts -- 3.1 Water Solubility -- 3.2 Water Speciation in Aluminosilicate Melts, Models for Incorporation Mechanisms of Water and Implications -- 3.3 Viscosity and Rheological Properties of Granitic Melts and Magmas -- 3.4 Density of Hydrous Granitic Liquids -- 3.5 Diffusion of Major Elements and Water in Aluminosilicate Melts -- 3.6 Properties of Ascending Hydrous Magmas -- 4 Effects of Additional Aluminum and Minor Components in the System Qz-Ab-Or -- 4.1 Phase Relations in the System Qz-Ab-Or-Al2O3 -- 4.2 Effect of Alumina on Solubility of H2O in the System Qz-Ab-Or- Al2O3 -- 4.3 Effect of Phosphorus and Solubility of Accessory Minerals in Granitic Melts -- 4.4 Effect of Fluorine -- 4.5 Effect of Boron -- 4.6 Effect of Lithium -- 4.7 Contribution of Experimental Petrology to Case Studies of Peraluminous Leucogranites -- 5 Fe and Mg in Granitic Melts -- 5.1 The Role and Control of $$ {f_{{{O_2}}}} $$ -- 5.2 Phase Equilibria Involving Ferromagnesian Minerals and Melt -- 5.3 Magnesium Content of Granitic Melts -- 5.4 Iron Content of Granitic Melts -- 5.5 Effect of Alumina on the Composition of Granitic Melts -- 5.6 Implications -- 6 The Tonalite System Qz-Ab-An -- 6.1. Onset of H2O-Saturated Melting in the Pure System Qz-Ab-An -- 6.2 Melting of Plagioclase, Kinetic Studies -- 6.3 Phase Equilibria in the System Qz-Ab-An- H2O -- 6.4 Phase Equilibria in the Peraluminous Tonalite System Qz-Ab-An-Al2O3-H2O -- 6.5 Formation of Tonalite in the Light of the Experimental Results -- 6.6 Experimental Investigations on Natural Tonalite -- 6.7 Constraints on the Origin of Archean Tonalite -- 6.8 Relevance of the Experimental Results -- 7 The Granite System Qz-Ab-Or-An -- 7.1 Beginning of Melting (Water Saturated) in the System Qz-Ab-Or-An -- 7.2 Melting of Plagiocase in the System Qz-Ab-Or-An -- 7.3 Hypersolidus Phase Relationships in the System Qz-Ab-Or-An -- 7.4 Kinetics of Subsolidus Reactions with Plagiocase -- 8 Experiments with Natural Granites and Related Rocks -- 8.1 Early Investigations -- 8.2 Comparison of Results Obtained in Model Systems and Natural Rocks -- 8.3 Melting and Crystallization Experiments Performed at Water Saturation -- 8.4 Melting Experiments Performed at Water Undersaturation -- 8.5 Summary of Experimental Findings and Conclusion -- 9 Formation of Granitic Magmas by Dehydration Melting -- 9.1 General Remarks -- 9.2 Dehydration Melting of Muscovite-Bearing Mineral Assemblages -- 9.3 Dehydration Melting of Biotite-Bearing Mineral Assemblages -- 9.4 Dehydration Melting in Amphibolites -- 9.5 Evolution of the Continental Crust by Dehydration Melting of Amphibolites and Tonalites -- Appendix: List of Abbreviations Used in the Text -- References -- Permission Statement.