ALBERT

Note: CONTENTS List of Figures and Illustrations List of Tables Preface Acknowledgements Notation 1. On the Scientific Method of J. Ross Mackay / W.H. MATHEWS 2. Experimental Observations of Periglacial Processes in the Arctic / ALFRED JAHN 3. Extreme Rainfall and Rapid Snowmelt as Causes of Mass Movements in High Latitude Mountains / ANDERS RAPP 4. Estimation of Avalanche Runout Distances in New Zealand/ B.B. FITZHARRIS 5. The Ice Factor in Frozen Ground / L.W. GOLD 6. Models of Soil Freezing / M.W. SMITH 7. A Step Function Model of Ice Segregation / S.I. OUTCALT 8. Recent Observations on the Deformation of Ice and Ice-Rich Permafrost / N.R. MORGENSTERN 9. Distribution of Recently Active Ice and Soil Wedges in the U.S.S.R. / N.N. ROMANOVSKIJ 10.Periglacial Problems / A.L. WASHBURN Notes on Contributors Author Citation Index Index , Abstracts in englischer, französischer und russischer Sprache

Note: Dittfeld, H.-J.: Results of an eight years' gravimetric earth tide registration series at Potsdam Elstner, C.; Harnisch, M.; Schwahn, W.: On the determination of the gravimetric Mf tide at Potsdam

Note: A. Introduction.- Obituary.- Purpose of this Book.- Synopsis.- B. General Framework of Hypersaline Environments with Special Reference to the Red Sea.- 1. Introduction and Definitions.- 2. The Northern Red Sea, a Historical Sketch.- 3. Gulf of Elat (Aqaba). Geological and Sedimentological Framework.- 4. Coastal Evaporite Systems.- 5. Hypersaline Sea-marginal Flats of the Gulfs of Elat and Suez.- 6. Anchialine Pools — Comparative Hydrobiology.- 7. Botanical Studies on Coastal Salinas and Sabkhas of the Sinai.- C. The Gavish Sabkha — A Case Study.- 8. Introduction.- 9. Geomorphology, Mineralogy and Groundwater Geochemistry as Factors of the Hydrodynamic System of the Gavish Sabkha.- 10. The Ras Muhammad Pool: Implications for the Gavish Sabkha.- 11 Salinity and Water Activity Related Zonation of Microbial Communities and Potential Stromatolites of the Gavish Sabkha.- 12. Structure and Physiology of Square-shaped and Other Halophilic Bacteria from the Gavish Sabkha.- 13. Photoactive Pigments in Halobacteria from the Gavish Sabkha.- 14. Photosynthetic Microorganisms of the Gavish Sabkha.- 15. The Fauna of the Gavish Sabkha and the Solar Lake — a Comparative Study.- 16. Trace Metal Concentrations in Sediments from the Gavish Sabkha.- 17. Biogeochemistry of Gavish Sabkha Sediments I. Studies on Neutral Reducing Sugars and Lipid Moieties by Gas Chromatography-Mass Spectrometry.- 18. Biogeochemistry of Gavish Sabkha Sediments II. Pyrolysis Mass Spectrometry of the Laminated Microbial Mat in the Permanently Water-Covered Zone Before and After the Desert Sheetflood of 1979.- 19. Carbon Isotope Geochemistry and 14C Ages of Microbial Mats from the Gavish Sabkha and the Solar Lake.- D. Applied Aspects and Paleoecology.- 20. Introduction.- 21. A Paleobiological Perspective on Sabkhas.- 22. Applied and Economic Aspects of Sabkha Systems — Genesis of Salt, Ore and Hydrocarbon Deposits, and Biotechnology.- Acknowledgements.- References.- Taxonomic Index.

Note: N.F. entfällt ab 57.2000. - Volltext auch als Teil einer Datenbank verfügbar , Ersch. ab 2000 in engl. Sprache mit dt. Hauptsacht.

Note: 1 The nature, occurrence and geological significance of fluid inclusions 1.1 Introduction 1.1.1 Occurrence and distribution 1.1.2 Abundance and distribution in single crystals 1.1.3 The manifestation of inclusions in minerals 1.1.4 Inclusion morphologies 1.2 Paragenetic classification 1.3 Sorby's early work on homogeneous and heterogeneous trapping 1.4 Variations in fluid inclusion contents 1.5 Fluid inclusions as representative portions of geological fluids 1.5.1 Bulk leakage 1.5.2 Leakage through diffusion 1.5.3' Representative trapping 1.6 Changes after trapping 1.6.1 Re-equilibration of the inclusion walls and necking-down 1.6.2 Migration of inclusions in a thermal gradient 1.7 Geological significance of fluid inclusions 1.7.1 Composition of fluids 1.7.2 Geothermometry and geobarometry 1.7.3 Patterns of fluid flow 1.7.4 Fluid inclusion studies in mineral exploration 1.7.5 Fluid inclusion studies in oil exploration 1.7.6 Other applications 1.8 Concluding remarks 2 Sample selection and preparation for microscope examination 2.1 Introduction 2.2 Choice of material for study 2.2.1 Hydrothermal veins 2.2.2 Igneous rocks 2.2.3 Medium- to high-grade metamorphic rocks 2.2.4 Sedimentary rocks 2.3 Grain mounts 2.3.1 Preparation 2.3.2 Immersion oils 2.3.3 Manipulation of grains 2.4 Cleavage fragments for optical study 2.5 Preparation of polished wafers for thermometric analysis 2.5.1 Stage 1: sawing and grinding 2.5.2 Stage 2: polishing 2.5.3 Stage 3: reverse mounting 2.5.4 Handling difficult samples 2.5.5 Storage of specimens 2.5.6 Summary of basic requirements for fluid inclusion wafer preparation 3 Optical examination 3.1 Introduction 3.2 Optical requirements 3.3 Recognition and location of fluid inclusions 3.4 Recognition of phases within inclusions 3.4.1 Daughter minerals 3.4.2 Compressed gases 3.4.3 Hydrocarbon liquids 3.4.4 Glass 3.5 Recognition of necking-down, leakage and natural decrepitation 3.5.1 Problems of heterogeneous trapping and metastability 3.6 Classification of inclusions following optical study 3.7 Phase proportions in individual fluid inclusions 3.7.1 Degree of fill (F) and calculation of overall density for two-phase aqueous (L + V) inclusions 3.7.2 Calculation of overall density and salinity for three-phase aqueous (L + V + S) inclusions 3.7.3 Estimation of phase proportions 3.8 Other microscope techniques 3.8.1 Opening inclusions under the microscope 3.8.2 Ultraviolet (UV) microscopy 3.8.3 Infrared (IR) microscopy 3.8.4 Scanning electron microscopy (SEM) 3.9 Summary of observations during optical examination 4 Basic principles of thermometric analysis 4.1 Introduction 4.2 Heating 4.2.1 Liquid-vapour homogenization in two-phase (L + V) aqueous inclusions 4.2.2 Dissolution of daughter minerals 4.2.3 Homogenization of immiscible H₂O-CO₂ liquids 4.3 Freezing 4.3.1 Aqueous H₂O-salt systems 4.3.2 Non-aqueous CO₂-CH₄ -N₂ systems 4.3.3 Mixed H₂O-salt-CO₂ systems 5 Heating-freezing stages 5.1 Availability 5.1.1 Introduction 5.1.2 Chaixmeca stage 5.1.3 Linkam TH 600 stage 5.1.4 Reynolds stage 5.1.5 Additional considerations 5.2 Installation and calibration 5.2.1 Heating 5.2.2 Freezing 5.2.3 Alternative cryogenic baths 5.2.4 Calibration of the stage 6 Practical aspects of thermometric analysis 6.1 Introduction 6.2 Freezing 6.2.1 Aqueous H₂O-salt inclusions 6.2.2 Non-aqueous CO₂-CH₄-N₂ inclusions 6.2.3 Mixed H₂O-NaCl-CO₂ inclusions 6.3 Heating 6.3.1 Liquid-vapour homogenization 6.3.2 Dissolution of daughter minerals 6.3.3 Homogenization of H₂O-CO₂ inclusions 7 Presentation and interpretation of thermometric data 7.1 Introduction 7.2 Assessment of results for individual inclusions 7.2.1 Accuracy and precision 7.2.2 Data and presentation 7.3 Measurements and more measurements 7.4 Presentation of data 7.5 Interpretation of data 7.5.1 Recognition of discrete populations 7.5.2 Continuous variation 7.5.3 Further considerations of boiling, liquid immiscibility and halite-bearing inclusions 7.6 Estimation of pressure and trapping conditions 7.6.1 Methods for calculating fluid pressures from fluid inclusion data 7.6.2 Estimation of depth of trapping 8 The chemical analysis of fluid inclusions—theoretical considerations 8.1 Introduction 8.2 The crush-leach method 8.2.1 Introduction 8.2.2 Cation analysis 8.2.3 Anion analysis 8.2.4 Other considerations 8.3 Volatiles—bulk analysis 8.4 The ICP-linked decrepitation technique 8.5 Identification of solid phases by X-ray methods 8.5.1 Introduction 8.5.2 X-ray diffraction 8.5.3 Scanning electron microscopy (SEM) 8.5.4 Other solid phases 8.6 The microanalysis of individual inclusions 8.6.1 Introduction 8.6.2 Laser excited Raman spectroscopy 8.6.3 Laser beam ablation 8.6.4 Other techniques 8.7 Neutron activation analysis (NAA) 8.8 Isotopic analysis 9 The chemical analysis of fluid inclusions—practical considerations 9.1 Introduction 9.2 Crush-leach analysis for non-volatile components 9.2.1 Sample selection 9.2.2 Sample preparation 9.2.3 Analysis 9.2.4 Results 9.3 Decrepitation and the analysis of non-volatile constituents 9.3.1 Introduction 9.3.2 Sample selection 9.3.3 Sample preparation 9.3.4 Analysis 9.3.5 Results 9.4 The analysis of volatile constituents 9.4.1 Sample selection 9.4.2 Sample preparation 9.4.3 Analysis 9.4.4 Data obtained 9.5 Stable isotopic analysis 9.5.1 Sample selection 9.5.2 Sample preparation 9.5.3 Analysis 9.5.4 Results 9.6 Scanning electron microscopy and the analysis of solid phases 9.6.1 Preparation of sample 9.6.2 Instrument operation 9.6.3 Interpretation 10 Future trends in fluid inclusion studies 10.1 Importance of fluid processes in the Earth's crust 10.2 Developments in methodology 10.2.1 Analysis of individual inclusions 10.2.2 Bulk analysis of several inclusion populations 10.3 Theoretical considerations on the PVTX properties of fluids 10.4 Future applications 10.4.1 Deep crustal processes 10.4.2 Diagenesis and fluids in sedimentary basins 10.4.3 Hydrocarbon and mineral exploration 10.4.4 Tectonics 10.5 Summary Appendix I Some UK suppliers of equipment and consumables for the preparation of fluid inclusion polished wafers Appendix II Examples of standard charts for visually estimating the degree of fill (F) in two-phase inclusions Appendix III Main manufacturers/suppliers of optical equipment and heating-freezing stages Appendix IV Some suppliers of substances recommended for the temperature calibration of heating-freezing stages Appendix V Materials and equipment for routine crush-leach analysis References Index

Note: 1 Introduction J.R. Ashworth 1.1 Scope of the book 1.2 Definitions 1.3 Migmatites and granites 1.4 Melt-absent migmatization 1.5 Compositions of anatectic leucosomes 1.6 Textures and structures as possible indicators of melt presence 1.7 Estimation of P-T-aₕ₂ₒ conditions 1.8 The Granulite Facies 1.9 Mineral compositions in leucosome and melanosome: the plagioclase problem 1.10 Open and closed systems 1.11 Conclusions References 2 The significance of experimental studies for the formation of migmatites W. Johannes 2.1 Introduction 2.2 Experimental studies in the haplogranite system Qz-Or-Ab-H₂O 2.3 Experimental studies in the tonalite system Qz-Ab-An-H₂O 2.4 Experimental studies in the granite system Qz-Or-Ab-An-H₂O 2.5 Plagioclase compositions: observations in nature, experimental findings and conclusions 2.6 Suggestions for future research References 3 Phase equilibria in partial melting of pelitic rocks James A. Grant 3.1 Introduction 3.2 Subsolidus phase equilibria and experimental data 3.3 Partial melting 3.4 Melting at Pₕ₂ₒ = Pₜₒₜₐₗ 3.5 Melting at Pₕ₂ₒ 〈 Pₜₒₜₐₗ 3.6 Vapour-absent melting 3.7 Internal and external control of intensive variables 3.8 Paths through time and space 3.9 Separation of solid, liquid and vapour 3.10 Summary liquidus relations 3.11 Conclusions References 4 Mass balance in migmatites Sakiko N. Olsen 4.1 Introduction 4.2 Baltimore Gneiss and Front Range migmatites 4.3 Mass-balance calculations: methods and assumptions 4.4 Mass-balance calculations: results 4.5 Littleton Formation migmatites 4.6 Discussion References 5 Textures J.R. Ashworth and E.L. McLellan 5.1 Introduction 5.2 Grain size 5.3 Textures attributed to crystallization from a melt 5.4 Grain shape 5.5 Grain orientation (petrofabric) 5.6 Grain contact relations 5.7 Conclusions References 6 Migmatite occurrences in New England Robert J. Tracy 6.1 Introduction 6.2 Tectonic evolution of New England 6.3 Grenville massifs of western New England 6.4 Ordovician migmatites in the western high grade belt 6.5 Migmatites of the eastern Acadian metamorphic high 6.6 Avalonian terrains overprinted in the Alleghenian 6.7 Summary References 7 Migmatites in the Moines David Barr 7.1 Introduction 7.2 Early migmatites 7.3 Late migmatites 7.4 Sutherland migmatites 7.5 Conclusions References 8 Fluid inclusions in migmatites J. Touret and Sakiko N. Olsen 8.1 Introduction 8.2 Fluid inclusions in migmatites of Bamble, Norway 8.3 Fluid inclusions in the Front Range migmatites