Development of a red-brown earth profile

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Abstract
Ratios of the concentrations of alumina, ferric oxide, and titania, of which significant fractions were present in independent forms, are used to show that translocation of clay played at most only a minor part in the development of the clay profile of the Hanwood sandy loam, a red-brown earth. Supporting evidence was obtained from particle-size analyses and the concentration of potassium oxide. The essential features of this red-brown earth profile were determined by the weathering in position of layered sediments. There is evidence for the downward movement of a very small amount of ferric oxide.

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