By Gregory A. Pope (ed.)
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Extra resources for Treatise on Geomorphology: Weathering and Soils Geomorphology
1974. The physical and chemical properties of the gray hydromorphic soils of the Hawaiian Islands. Soil Science Society of America Proceedings 38, 935–941. , 1981. The chemistry and mineralogy of some South Australian calcretes and associated soft carbonates and their dolomitization. Journal of the Geological Society of Australia 19, 31–39.
The current ground surface (K0) is characterized by erosion and deposition with no active soil formation. Erosion is cutting channels into underlying K1 and K2 land surface deposits. The K1s cycle is characterized by soil development on depositional and erosional surfaces. Soils are weakly developed with A/C profiles. The K1 cycle is characterized by limited deposition of a thin mantle over slopes and deposition of weakly sorted and nonbedded sediment in upper stream channels. The K1u cycle is characterized by limited truncation of K2 soils and slight stream incision.
Soils at the base of the slope were thick as a result of slope wash and loess transportation from higher slopes. Soils were also typically clay-rich in their upper parts but sandy at depth. Clay mineralogy in these locations was dominated by smectites due to poor drainage. All of the soils lacked accumulation of salts or carbonates due to winter wet season leaching. Catenas developed on granitic slopes in tropical arid environments typically display a concentration of kaolinite on upper slopes and montmorillonite on lower slopes in association with calcium carbonate accumulation.