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The I-S contact in 10 Å-17 Å interstratified clay minerals

Published online by Cambridge University Press:  09 July 2018

R. T. Tettenhorst ,
C. E. Corbató  and
R. I. Haller
R. T. Tettenhorst
Affiliation:
Department of Geology and Mineralogy, Ohio State University, Columbus, Ohio 43210, USA
C. E. Corbató
Affiliation:
Department of Geology and Mineralogy and Office of Academic Affairs, Ohio State University, Columbus, Ohio 43210, USA
R. I. Haller
Affiliation:
Department of Sociology and Ohio Supercomputer Center, Ohio State University, Columbus, Ohio 43210, USA
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Abstract

Calculated X-ray diffraction profiles of 10 Å-17 Å interstratified clay minerals, which make allowance for fundamental illite particles, confirm many of the inferences made in a previous analysis by Corbató & Tettenhorst (1987). However, some of these profiles do not appear to match well with patterns obtained from real interstratified clay minerals. The lack of agreement is apparently a consequence of the assumption that the interlayer spacing formed at the contact of I and S (illite and smectite) silicate layers is exclusively 17 Å. The results suggest that this interlayer spacing may be either 10 Å or 17 Å.

Type
Research Article
Information
Clay Minerals , Volume 25 , Issue 4 , December 1990 , pp. 437 - 445
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1990

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