loess

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loess

a fine-grained windblown silt that is characteristic of temperate areas where thick layers of it were distributed during the retreat of the ice after the last glaciation.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
(1988) in loessic subsoils of south-eastern Australia; a bimodal distribution with a main population of fine to coarse sand grains, and a smaller but pronounced population of grains in the coarse silt range.
The Neolithics were discerning farmer/pastoralists who sought out floodplain edges, and selected the loessic soils for their fertility and not for their supposed treelessness.
Due to their silty texture and scant cohesion, loessic soils (and in general most wind-transported sediments) are very easily eroded if their plant cover is removed.