Soil formation in archaeological pits and adjacent loess soils in Southern Germany |
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Authors: | S Slager HTJ van de Wetering |
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Institution: | 1. Department of Soil Science and Geology, Agricultural University, P.O. Box 37, Wageningen, The Netherlands;2. Soils Departmen, University of Utrecht, The Netherlands |
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Abstract: | The soil formation in a number of pits on a neolithic excavation was compared with that in adjacent loess soils (Hapludalfs) under forest and arable and in Bavaria, Southern Germany. The differences between the soils under consideration were mainly characterized by micromorphological quantification of the illuviated fine clay. In the archaeological pits the amount of illuviated fine clay proved to be nearly twice as much as that in the undisturbed soils. The amount of illuviated coarser matrix components (fine and coarse clay and fine silt) in the neolithic pits did not differ significantly from that in the natural soils. The large amount of illuviated fine clay in the pits was ascribed to the presence of potash during the period of their formation. The formation of coarse grained illuviation cutans was related to deforestation, after which illuviation of the fine clay decreased in intensity and came to a stop. |
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