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Weathering of micaceous clays in some Norwegian podzols

Published online by Cambridge University Press:  09 July 2018

B. S. Kapoor
B. S. Kapoor*
Affiliation:
Institute of Soil Science, Às-NLH, Norway
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Abstract

A study of the weathering of micaceous clays in some Norwegian podzols, includes semiquantitative estimates of minerals in the concentrated clay fractions which show a decrease in the amounts of illite and chlorite, and an increase in vermiculite and mixed-layer minerals upward in the profile. Illite, the dominant mineral at depth, weathers to hydrobiotite in the surface horizon of the profile. Subsequent weathering of hydrobiotite in this portion of the profile produces trioctahedral vermiculite and smectite, or intergrade smectite-chlorite.

Type
Research Article
Information
Clay Minerals , Volume 9 , Issue 4 , December 1972 , pp. 383 - 394
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1972

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