Publication: 'Black' soils in the southern Alps: clay mineral formation and transformation, X-ray amorphous Al phases and Fe forms
'Black' soils in the southern Alps: clay mineral formation and transformation, X-ray amorphous Al phases and Fe forms
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Zanelli, R., Egli, M., Mirabella, A., Abdelmoula, M., Plötze, M., & Nötzli, M. (2006). “Black” soils in the southern Alps: clay mineral formation and transformation, X-ray amorphous Al phases and Fe forms. Clays and Clay Minerals, 54(6), 703–720. https://doi.org/10.1346/CCMN.2006.0540606
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Many soils in southern Switzerland have a black color, contain a large amount of soil organic matter (SOM) and seem to have some andic properties although they did not develop on volcanic parent material. We investigated three typical 'black' soils to determine the mechanisms of (clay) mineral formation and transformation. We measured total element pools as well as the dithionite-, pyrophosphate- and oxalate-extractable fractions (Fe, Al, Si). The clay fraction (<2 μm) was analyzed using X-ray diffraction and FTIR spectroscopy. Iron s
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Zanelli, R., Egli, M., Mirabella, A., Abdelmoula, M., Plötze, M., & Nötzli, M. (2006). “Black” soils in the southern Alps: clay mineral formation and transformation, X-ray amorphous Al phases and Fe forms. Clays and Clay Minerals, 54(6), 703–720. https://doi.org/10.1346/CCMN.2006.0540606