The Formation of 2:1–2:2 Intergrade Clays in some Norwegian Podzols

Autor:	B. S. Kapoor
Rok vydání:	1973
Předmět:	Horizon (archaeology) Geochemistry 020101 civil engineering 02 engineering and technology Vermiculite 010502 geochemistry & geophysics 01 natural sciences Podzol 0201 civil engineering Geochemistry and Petrology Soil water Clay minerals Geology 0105 earth and related environmental sciences
Zdroj:	Clay Minerals. 10:79-86
ISSN:	1471-8030 0009-8558
DOI:	10.1180/claymin.1973.010.2.03
Popis:	The distribution of 2:1-2:2 intergrade clays has been investigated in some podzolized soils from Norway. In some of the profiles the intergrade clay mineral appears to be concentrated in the A2 horizon; in others, where smectite is predominant in the surface horizon, the maximum accumulation of the intergrade is observed in the B2 horizon. Smectite and vermiculite have been found to be the precursors of the intergrades of the A2 and B2 horizons respectively. A possible explanation to account for the observed variable pattern of occurrence of intergrades in soils is suggested.
Databáze:	OpenAIRE
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