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Informationen zum Autor William D. Nesse is Professor Emeritus in the Department of Earth Sciences at the University of Northern Colorado. Klappentext The fourth edition of Introduction to Optical Mineralogy has been thoroughly revised and updated to increase reading comprehension and improve the clarity of its illustrations. Ideal for advanced undergraduate and graduate courses in optical mineralogy, this accessible text is also an essential resource for petrology and petrography courses. Zusammenfassung The fourth edition of Introduction to Optical Mineralogy has been thoroughly revised and updated to increase reading comprehension and improve the clarity of its illustrations. Ideal for advanced undergraduate and graduate courses in optical mineralogy, this accessible text is also an essential resource for petrology and petrography courses. Inhaltsverzeichnis Chapter 1 Light The Nature of Light Electromagnetic Radiation Phase The Perception of Color Interaction of Light and Matter Transmitted Light Velocity Index of Refraction Reflection Critical Angle and Total Internal Reflection Optical Class Optical Indicatrix Dispersion Light Absorption and Color Polarized Light Polarization by Double Refraction Polarization by Reflection Polarization by Scattering Chapter 2 The Petrographic Microscope Direction Conventions Samples Illuminator Substage Assembly Microscope Stage Objective Lenses Epi-Illuminator Upper Polarizer Bertrand Lens Ocular Focusing Mechanism Accessories Additional Equipment General Care of the Microscope Adjustment of the Microscope Adjusting the Oculars Focusing Adjusting the Illuminator Centering the Objectives Adjusting the Substage Alignment of Polarizers General Considerations Chapter 3 Refractometry Relief Becke Line Method Dispersion Effects Oblique Illumination Method Practical Considerations Accuracy of the Immersion Method Determining Indices of Refraction in Thin Section Chapter 4 Optics of Isotropic Materials Isotropic Indicatrix Distinguishing Between Isotropic and Anisotropic Minerals Identification of Isotropic Minerals Grain Mount Thin Section Chapter 5 Optics of Anisotropic Minerals: Introduction Interference Phenomena Monochromatic Illumination Retardation Birefringence Interference of the Two Rays Polychromatic Illumination Orders of Interference Colors Anomalous Interference Colors Determining Thickness of a Sample Thin Section Grain Mount Determining Birefringence from the Color Chart Thin Section Grain Mount Recognizing the Different Orders of Interference Colors Extinction Categories of Extinction Use of the Accessory Plates Sign of Elongation Relief Pleochroism Chapter 6 Uniaxial Optics Optic Sign Crystallographic Considerations Uniaxial Indicatrix Use of the Indicatrix Birefringence and Interference Colors Extinction Tetragonal Minerals Hexagonal Minerals Rhombohedral Cleavage Prismatic and Pinacoidal Cleavage Pleochroism Interference Figure Optic Axis Interference Figure Formation of Isochromes Formation of Isogyres Determining Optic Sign Off -Center Optic Axis Figure Flash Figure Selecting Grains to Give Interference Figures Optic Axis Figure Flash Figure Determining Indices of Refraction Grain Mount Determining nv Determining ne Thin Section Spindle Stage Chapter 7 Biaxial Optics Biaxial Indicatrix Mathematical Relationships Use of the Indicatrix Normal Incidence Parallel to an Indicatrix Axis Normal Incidence Parallel to an Optic Axis Normal Incidence ...
