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Crystal identification with the polarizing microscope [Libro electrónico] / Richard E. Stoiber, Stearns A. Morse

Por: Stoiber, Richard E [autor/a].
Morse, Stearns A [autor/a].
Tipo de material: Libro en línea Libro en línea Editor: New York, New York, United States: Chapman & Hall, c1994Descripción: xiv, 358 páginas : ilustraciones ; 26 centímetros.ISBN: 0412048213; 0412048310; 9780412048319 (Print); 9781461523871 (Online).Tema(s): Crystal opticsNota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Nota de bibliografía: Incluye bibliografía e índice: páginas 337-342 Número de sistema: 55315Contenidos:Mostrar Resumen:
Inglés

Some of the simpler measurements of optical mineralogy are so precise and powerful that they give satisfaction to beginning students. Not long after mastering the strike and dip of rock surfaces with the Brunton compass, many geology students are able to determine precisely the identity of quartz, or the anorthite content of plagioclase, or the magne­ sium ratio of pyroxene with the polarizing or petrographic microscope, by means of measuring refractive index to better than one part in a thousand. Very little training and almost no theory are needed to achieve these skills. But there inevitably comes a time when theory is needed, either to get on with the art, or simply to reconstruct from first principles what is going on, when rote memory fails. In this book we hope to provide both the rote methods and the theoretical background for practitioners at all levels of experience. We draw from several careers-ours, our colleagues', and our students' -in teaching the subject at various levels of sophistication. Our book is intended to serve the needs of industrial and forensic scientists as well as petrogra­ phers who deal with rocks. Much of our treatment is based on new research, both in matters of presentation and in the optical determination of minerals and other materials.

Recurso en línea: http://link.springer.com/openurl?genre=book&isbn=978-0-412-04831-9
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Incluye bibliografía e índice: páginas 337-342

Crystal identification and optical principles.. Equipment and preparation of materials.. The immersion method.. Isotropic crystal identification.. Phase relationships and interference.. Anisotropic crystals.. Uniaxial crystal optics.. Uniaxial interference figures.. Identification of uniaxial crystals.. Biaxial crystal optics.. Biaxial interference figures.. Identification of biaxial crystals.. Crystallographic relations of biaxial crystals.. Optic orientation in stereo.. Special orientation methods.. Use of the dispersion method.. Crystal identification recipes.. Index

Disponible para usuarios de ECOSUR con su clave de acceso

Some of the simpler measurements of optical mineralogy are so precise and powerful that they give satisfaction to beginning students. Not long after mastering the strike and dip of rock surfaces with the Brunton compass, many geology students are able to determine precisely the identity of quartz, or the anorthite content of plagioclase, or the magne­ sium ratio of pyroxene with the polarizing or petrographic microscope, by means of measuring refractive index to better than one part in a thousand. Very little training and almost no theory are needed to achieve these skills. But there inevitably comes a time when theory is needed, either to get on with the art, or simply to reconstruct from first principles what is going on, when rote memory fails. In this book we hope to provide both the rote methods and the theoretical background for practitioners at all levels of experience. We draw from several careers-ours, our colleagues', and our students' -in teaching the subject at various levels of sophistication. Our book is intended to serve the needs of industrial and forensic scientists as well as petrogra­ phers who deal with rocks. Much of our treatment is based on new research, both in matters of presentation and in the optical determination of minerals and other materials. eng

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