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Interstratification of Layer Silicates in Two Soil Clays

Published online by Cambridge University Press:  01 January 2024

W. R. Schmehl  and
M. L. Jackson
W. R. Schmehl*
Affiliation:
Department of Soils, University of Wisconsin, Madison, Wisconsin, USA
M. L. Jackson
Affiliation:
Department of Soils, University of Wisconsin, Madison, Wisconsin, USA
*
1Present address: Department of Agronomy, Colorado A and M College, Fort Collins, Colorado.
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Abstract

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X-ray and chemical analyses were made of two soil clays from Colorado, X-ray diffraction analysis of glycerol-solvated samples oriented in parallel gave poor diffraction patterns. Randomly oriented powder x-ray diffraction analysis showed an intense 4.45 A band indicating the predominance of layer silicates. Total potassium analysis confirmed the presence of illite. Cation-exchange capacity and specific-surface measurements showed that high-charge layer silicates were present. The effect of differential cation saturation and differential heat treatment on the x-ray diffraction patterns of parallel oriented samples suggests interstratification of layer silicates in these soil clays.

Type
Article
Information
Clays and Clay Minerals (National Conference on Clays and Clay Minerals) , Volume 4 , February 1955 , pp. 423 - 428
Copyright
Copyright © The Clay Minerals Society 1955

References

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