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East central Kansas is largely comprised of alternating, level beds of Permian shale and limestone of the Central Plains, USA. Polygenetic upland soils of east central Kansas have been formed though multiple and likely different sets of soil forming factors. Upland soils in this region have a complex genesis, often contain one or more paleosols, and form in multiple parent materials including loess,...
Eolian mantles consisting of Quaternary loess, Holocene volcanic ash, and mixtures of the two are prominent features of most landscapes in the inland Pacific Northwest region of the USA. Soils of the loess-mantled Palouse region of eastern Washington and northern Idaho exhibit regional mineralogical trends related to mean annual precipitation and age. Clay content increases and CaCO 3 decreases...
Basalt rocks occupy substantial land area and play a significant role in global weathering patterns and biogeochemical cycling. The objective of this research was to quantify climatic controls of weathering and pedogenic processes on basalt-derived soils across an environmental gradient on the western slope of the Casacade Range of California, USA. We hypothesized that climate controls mineral neogenesis,...
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