Feldspar Minerals: 2 Chemical and Textural Properties

Feldspar Minerals: 2 Chemical and Textural Properties

by J.V. Smith

Paperback(Softcover reprint of the original 1st ed. 1974)

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Product Details

ISBN-13: 9783642657450
Publisher: Springer Berlin Heidelberg
Publication date: 01/04/2012
Edition description: Softcover reprint of the original 1st ed. 1974
Pages: 692
Product dimensions: 6.69(w) x 9.61(h) x 0.06(d)

Table of Contents

3 Chemical Properties and Experimental Techniques.- 13 Analytical Techniques: Their Precision and Accuracy.- 13.1 Introduction.- 13.2 Techniques: Specific Applications to Feldspars.- 13.2.1 Gravimetric and Volumetric Analysis: Colori- metric Methods.- 13.2.2 X-Ray Fluorescence and Electron Microprobe Spectrographic Analysis.- 13.2.3 Optical Spectrography: Flame Photometer.- 13.2.4 Radio-Activation Analysis.- 13.2.5 Mass Spectrometer Analysis.- References.- 14 Chemical Properties.- 14.1 General.- 14.1.1 BriefHistory.- 14.1.2 Basic Stoichiometry: Deviations Therefrom.- 14.1.3 Theoretical Models on Chemical Substitution and Distribution.- 14.2 Major Chemical Substitutions.- 14.3 Experimental Data on Element Distribution.- 14.3.1 Rb, Cs, Sr, and Ba between Two Feldspars.- 14.3.2 Cs and Rb between Feldspar and Aqueous Fluid.- 14.3.3 Sr and Ba between Plagioclase and Silicate Liquid.- 14.3.4 Y and REE between Plagioclase and Silicate Liquid.- 14.3.5 REE between Plagioclase and Aqueous Fluid.- 14.4 Chemical Substitution in Natural Feldspars.- 14.4.1 Introduction.- 14.4.2 Substitution in T Sites.- 14.4.3 Substitution in M Sites.- 14.5 Isotope Distribution.- 14.5.1 Oxygen Isotopes.- 14.5.2 Lead Isotopes.- 14.5.3 K/Ar Isotopic Ratio.- 14.5.4 Rb/Sr Isotopic Ratio.- References.- 4 Growth, Diffusion, Defects and Intergrowths.- 15 General Review of Phenomena and Processes.- References.- 16 Diffusion.- 16.1 General.- 16.2 Tetrahedral Atoms.- 16.2.1 Dry Conditions.- 16.2.2 Hydrothermal Conditions.- 16.3 Oxygen Atoms.- 16.3.1 Exchange with Pure Water.- 16.3.2 Exchange with Salt Solutions.- 16.4 M Atoms.- 16.4.1 Dry Conditions.- 16.4.2 Hydrothermal Conditions.- 16.5 Argon.- 16.5.1 Diffusion in Anorthite.- 16.5.2 Diffusion in K-rich Feldspars.- 16.6 Diffusion, Viscosity and Crystallization Kinetics of Liquid and Glass.- 16.6.1 Diffusion.- 16.6.2 Viscosity.- 16.6.3 Crystallization Kinetics.- 16.7 General Discussion.- References.- 17 Growth and Defects.- 17.1 Growth Mechanisms.- 17.1.1 Experimental Evidence of Growth Mechanisms and on Growth Features.- 17.1.2 Primary Growth from Magmas and Other Fluids.- 17.1.3 Primary Growth in the Solid State.- 17.2 Chemical Zoning.- 17.2.1 Geometrical Description and Nomenclature.- 17.2.2 Syntheses of Zoned Feldspars.- 17.2.3 Zoning in Feldspars of Igneous Rocks.- 17.2.4 Zoning in Feldspars of Metamorphic Rocks.- 17.2.5 Theories of Zoning and Some Further Observations.- 17.3 Tracht, Morphology, Habit.- 17.3.1 Data on Tracht of Synthetic Crystals.- 17.3.2 Data on Tracht of Natural Feldspars.- 17.3.3 Theories of Feldspar Tracht: Suggestions for Further Study.- 17.4 Miscellaneous Textures.- 17.4.1 Oriented Plagioclase Inclusions in K-feldspars.- 17.4.2 Surface Attachments of Feldspars.- 17.4.3 Incomplete Rims.- 17.4.4 Coarse Textures Attributed to Replacement.- 17.5 Dislocations and Etch Features.- References.- 18 Twins and Related Structures.- 18.1 Formal Geometry of Twins.- 18.2 Name, Operation and Structural Explanation of Feldspar Twins.- 18.2.1 Normal Twins.- 18.2.2 Parallel Twins.- 18.2.3 Edge-normal Twins.- 18.2.4 Special Terms and Twin Combinations.- 18.3 Twin-related Structures.- 18.3.1 Periodic Twinning.- 18.3.2 M-type Twinning, the Diagonal Association, Domain and Distorted-twinning.- 18.3.3 Glide Twinning, Pseudo-Twins, Slip Bands.- 18.3.4 “Pericline”-twinning in Pericline and Other Plagioclase: Genetic Significance of Composition Plane.- 18.4 Genesis of Twins.- 18.4.1 Twinning Mechanisms and Nomenclature.- 18.4.2 Twinning Mechanisms and Theories of Twin Frequency.- 18.4.3 Morphological and Other Criteria for Recognition of Twin Mechanisms.- 18.5 Plagioclase Twins.- 18.5.1 Pericline Composition Plane.- 18.5.2 Laboratory Production of Twins.- 18.5.3 Transformation Twinning.- 18.5.4 Mechanical Twinning.- 18.5.5 Growth Twinning.- 18.5.6 Some Studies of Plagioclase Twinning in Rocks.- 18.5.7 Frequency of Twinning in Plagioclase.- 18.5.8 Identification of Plagioclase Twins.- 18.5.9 Etch-pattern and Twinning.- 18.6 Alkali Feldspar Twins.- 18.6.1 Monoclinic Alkali Feldspars.- 18.6.2 Twinning in Microcline.- 18.6.3 Twinning in Anorthoclase.- References.- 19 Intimate Feldspar Intergrowths.- 19.1 Perthites.- 19.1.1 Classifications and Textures.- 19.1.2 Chemical Composition and Crystal Structure.- 19.1.3 Heating, Ion-exchange and Synthesis Experiments.- 19.1.4 Proposed Mechanisms of Formation.- 19.1.5 Occurrence in Rocks, and Critical Review of Mechanisms.- 19.1.6 Iridescence of Perthite.- 19.2 Intergrowths of Plagioclase.- 19.2.1 The Peristerite Intergrowth in Acid Plagioclase.- 19.2.2 The Boggild Intergrowth in Intermediate Plagioclase.- 19.2.3 The Huttenlocher Intergrowth in Basic Plagioclase.- References.- 20 Intergrowths of Feldspars with Other Minerals.- 20.1 Myrmekite.- 20.1.1 Simplified Description.- 20.1.2 Historical Review.- 20.1.3 Critique of Models for Myrmekite.- 20.2 Spherulites, Granophyre, and Graphic Granite.- 20.2.1 General Statement.- 20.2.2 Experimental Synthesis.- 20.2.3 Spherulites in Devitrified Rocks.- 20.2.4 Granophyric Intergrowths.- 20.2.5 Graphic Granite.- 20.3 Nepheline-Feldspar Intergrowths.- 20.3.1 Nepheline-Alkali Feldspar Myrmekite in Larvikite.- 20.3.2 Nepheline-Plagioclase Vermicular Intergrowths.- 20.3.3 Pseudoleucite.- 20.3.4 Anhedral Nepheline-K-feldspar Intergrowths.- 20.4 Aventurine and Red Clouded Feldspar.- 20.4.1 Nature of Aventurine and Sunstone.- 20.4.2 Nature of Red Clouded Feldspars.- 20.4.3 Origin of Aventurine and Red Clouded Feldspar.- 20.5 Clouded Feldspar.- 20.5.1 Early Observations and Ideas on Clouded Plagioclase.- 20.5.2 Later Observations and Ideas on Clouded Plagioclase: General.- 20.5.3 Clouded Plagioclase in Anorthositic Rocks.- 20.5.4 Critique.- 20.6 Miscellaneous Intergrowths with Other Minerals.- 20.6.1 Feldspar-Olivine.- 20.6.2 Feldspar-Pyroxene.- 20.6.3 Feldspar-Mica.- 20.6.4 Feldspar-Sillimanite-Corundum.- 20.6.5 Miscellaneous.- 20.6.6 Fingerprint Texture of Feldspar and Glass.- 20.6.7 Feldspar-Spinel.- 20.6.8 Feldspar-Amphibole.- References.- Name Index.- Locality Index.- Index of Rock Types.- Location of Figures.- List of Tables.

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