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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

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.

Information

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

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