Hydromophic soils of two inland valley swamps in the rain forest zone of Nigeria. II clay minerawgy and pedogenic processes

  • GO Oyediran
  • T Wakatsuki

Abstract

The Clay mineralogy and pedogenic processes in soil of two inland va/Jey swamps were investigated. Both field morphologic observations and particle size distribution indicate /ithologic discontinues in only two (pedons AB-2 and AB-5) of the nine pedons studied. Clay minera/Ogy was predominantly kaolinitic except in pedons BD-1 and BD-2 which contained some degraded mica minerals. Ferro/ysis was well demonstrated in pedons BD-1 and BD-2. Decomposition processes of minerals Jed to the fonnation of some degraded mica.


Keywords: clay, ferrolysis, kaolinite

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eISSN: 1117-9996