1991•Physical GeographyRequires access
THE GENESIS OF QUATERNARY LANDSCAPES WITH STONE-LINES
Donald Lee Johnson, Cynthia L. Balek
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Abstract
Two principal theories have been proposed to explain the origin of stone-lines in Quaternary landscapes, namely the erosion-pedimentation-pedisedimentation theory and the dynamic denudation-soil evolution-biomantle theory. These theories, each of which has its advocates, are compared by means of schematic chronograph analysis. We conclude that the dynamic denudation model best explains stone-line genesis and the soils in which stone-lines occur on many interfluves in mid-latitudes and on many saprolite landscapes in the subtropics and tropics. [Key words: biomantle, chronograph, denudation, landscape evolution, pedimentation, pedogenesis, soil evolution, saprolite.]