Figure 9: Examples of Mollisols (grassland soils) formed from loess. Both soils have mean annual precipitation of 450 mm. The Ustoll (a) has an ustic soil moisture regime and the Xeroll (b) has a ...
A geologist from The University of Texas at Arlington is investigating the origin of loess, a sediment formed by the accumulation of wind-blown dust, in the western United States. The National Science ...
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