Transformations of Layered Silicates in Soils of the Boreal and Subboreal Zones: Literature Reviewстатья
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Дата последнего поиска статьи во внешних источниках: 12 ноября 2013 г.
Аннотация:The transformation mechanisms of layered silicates during the formation of vermiculite (vermic
ulitization), smectite (smectization), illitelike minerals (illitization), and soil chlorites (chloritization) have
been considered. The mechanism of olivization has also been discussed. The manifestation features of these
processes in different soils and horizons have been analyzed. It has been shown that the rate, direction, and
depth of the transformations depend on the climatic conditions; the mineral composition; the acid–base,
redox, and hydrological conditions; and the soil solution’s composition. The amount of the accumulated
solidphase products of the transformations depends on the rate of the given transformation stage and (or)
the rate ratio between the given and the next transformation stages.