Abstract
Grain-size analyses of samples from zones of the profile of weathering developed on Peorian loess along the Ohio Valley in the vicinity of Owensboro, Kentucky, indicate a characteristic size distribution and silt-clay ratio for each zone. Comparison with grain-size analyses of Peorian loess elsewhere along the Ohio Valley indicates a regional uniformity and suggests similarity not only of origin and parent material but of postdepositional weathering. Analyses demonstrate a sharp separation between the Peorian and the underlying Farmdale loess and provide a basis for regional correlation and for evaluation of the postdepositional history of the deposits.
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