Abstract
Studies were conducted to investigate loess rejuvenation effects on the morphological, physicochemical and mineralogical characteristics of some intensely weathered soils in south-central Kentucky without evident lithological discontinuities. Soils were classified as clayey, mixed, thermic Typic Paleudults; Hapludults; Haplohumults; and fine, mixed, thermic Typic Paleudalfs. They showed higher than expected clay activities, base saturations, and weatherable minerals in the upper sola, apparently caused by the influence of variable eolian depositions. Because a major part of the control section is within the upper solum, the soils lack kandic horizons or kaolinitic mineralogy but have lower sola with relatively low clay activities, large amounts of kaolinite and free Fe oxides, and lower concentrations of weatherable minerals. In spite of the apparent advanced past development of these soils, their classification contradicts the nature and properties of the rejuvenated upper solum materials
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