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Book Chapter

Clays in low-temperature environments

By
Blanca Bauluz
Blanca Bauluz
Departamento de Ciencias de la Tierra, Universidad de Zaragoza, Pedro Cerbuna 12, 50.009 Zaragoza, Spain
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Published:
January 01, 2013

Abstract

Clays are characterized by their micron to submicron size and by genesis in low-temperature environments. Transmission electron microscopy (TEM) is an invaluable tool for analysing these minerals.

The present chapter focuses mainly on some of the most significant clay groups: kaolin minerals, smectite-I-S-illite series, smectite-corrensite-chlorite series, glauconi-tic minerals, and fibrous clays. Representative examples are given of how these clays are observed under TEM and of the data that the technique can provide. The combination of high-resolution TEM images, selected area electron diffraction (SAED) patterns, and analytical electron microscopy (AEM) analysis allows the determination of clays and mixed-layer phases, polytypes and stacking disorder, crystal thickness distributions, chemical composition and compositional variations, image textural relations, and the origin and conditions of formation of clays.

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Contents

European Mineralogical Union Notes in Mineralogy 14

Minerals at the Nanoscale

F. Nieto
F. Nieto
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K.J.T. Livi
K.J.T. Livi
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R. Oberti
R. Oberti
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Mineralogical Society of Great Britain and Ireland
ISBN electronic:
9780903056380
Publication date:
January 01, 2013

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