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Structural Transformations of Clay Minerals in Soils of a Climosequence in an Italian Alpine Environment

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Clays and Clay Minerals

Abstract

Clays of a soil sequence with five profiles in the Val Genova (northern Italy) along an elevation gradient with climate ranging from moderate to Alpine were investigated with XRD using several diagnostic treatments. Smectites developed in the surface horizons of podzolic soils either from chlorite through the removal of hydroxy interlayers or from mica, which weathers in a first step to regularly or irregularly interstratified clay minerals. Citrate treatment allowed the detection of low-charge expandable minerals in the Bhs or Bs horizons. Therefore, the reduction of the charge of 2:1 clay minerals occurred before the removal of hydroxy polymers by fulvic acids and low-weight organic acids. Due to the more intense podzolization process near the tree line, the d060 region showed a temporal evolution of trioctahedral to dioctahedral mineral structures in the well developed Podzols. The pedogenic smectites of the E or Bhs horizons generally included one or several populations with various charges. In most cases, smectite was a heterogeneous mixture of montmorillonite and interstratified beidellite-montmorillonite. A pure beidellite phase could not be detected. The soils near the tree line, where weathering processes were most intense, had two main components: one with a charge >0.75, representing vermiculite-like minerals, and the other with a charge near 0.25, representing smectite. The charges of the beidellitic component and montmorillonite were almost equal. The higher the weathering state of the investigated soils, the lower was the layer charge of smectites.

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References

  • April, R.H., Hluchy, M.M. and Newton, R.M. (1986) The nature of vermiculite in Adirondack soils and till. Clays and Clay Minerals, 34, 549–556.

    Article  Google Scholar 

  • Barnhisel, R.I. and Bertsch, P.M. (1989) Chlorites and hydroxy-interlayered vermiculite and smectite. Pp. 729–788 in: Minerals in Soil Environments 2nd edition (J.B. Dixon and S.B. Weed, editors). Soil Science Society of America, Madison, Wisconsin.

    Google Scholar 

  • Baroni, C. and Carton, A. (1990) Variazioni oloceniche della Vedretta della Lobbia (gruppo dell’Adamello, Alpi Centrali). Geografia Fisica Dinamica Quaternaria, 13, 105–119.

    Google Scholar 

  • Carnicelli, S., Mirabella, A., Cecchini, G. and Sanesi, G. (1997) Weathering of chlorite to a low-charge expandable mineral in a Spodosol on the Apennine mountains, Italy. Clays and Clay Minerals, 45, 28–41.

    Article  Google Scholar 

  • Egli, M., Mirabella, A. and Fitze, P. (2001a) Weathering and evolution of soils formed on granitic, glacial deposits: results from chronosequences of Swiss Alpine environments. Catena, 45, 19–47.

    Article  Google Scholar 

  • Egli, M., Mirabella, A. and Fitze, P. (2001b) Clay mineral formation in soils of two different chronosequences in the Swiss Alps. Geoderma, 104, 145–175.

    Article  Google Scholar 

  • Egli, M., Mirabella, A., Sartori, G. and Fitze, P. (2003) Weathering rates as a function of climate: results from a climosequence of the Val Genova (Trentino, Italian Alps). Geoderma, 111, 99–121.

    Article  Google Scholar 

  • Fanning, D.S., Keramidas, V.Z. and El-Desoky, M.A. (1989) Micas. Pp. 551–634 in: Minerals in Soil Environments 2nd edition (J.B. Dixon and S.B. Weed, editors). Soil Science Society of America, Madison, Wisconsin.

    Google Scholar 

  • FAO-UNESCO (1990) Soil Map of the World — Revised Legend. Rome, Italy.

  • Gillot, F., Righi, D. and Elsass, F. (2000) Pedogenic smectites in Podzols from central Finland: an analytical electron microscopy study. Clays and Clay Minerals, 48, 655–664.

    Article  Google Scholar 

  • Gillot, F., Righi, D. and Räisänen, M.L. (2001) Layer charge evaluation of expandable clays from a chronosequence of podzols in Finland using an alkylammonium method. Clay Minerals, 36, 571–584.

    Article  Google Scholar 

  • Greene-Kelly, R. (1953) The identification of montmorillonoids in clays. Journal of Soil Science, 4, 233–237.

    Article  Google Scholar 

  • Karathanasis, A.D. (1988) Compositional and solubility relationships between aluminum-hydroxy interlayered soil-smectites and vermiculites. Soil Science Society of America Journal, 52, 1500–1508.

    Article  Google Scholar 

  • Keller, W., Wohlgemuth, T., Kuhn, N., Schütz, M. and Wildi, O. (1998) Waldgesellschaften der Schweiz auf floristischer Grundlage. Statistisch überarbeitete Fassung der ‘Waldgesellschaften und Waldstandorte der Schweiz’ von Heinz Elleneberg und Frank Klötzli (1972). Mitteilungen der Eidgenössischen Forschungsanstalt für Wald, Schnee und Landschaft, Bd. 73, Birmensdorf, Germany.

  • Lagaly, G. (1994) Layer charge determination by alkylammonium ions. Pp. 1–46 in: Layer Charge Characteristics of 2:1 Silicate Clay Minerals (A.R. Mermut, editor). CMS Workshop lectures, 6. The Clay Minerals Society, Bloomington, Indiana.

    Google Scholar 

  • Lanson, B. (1997) Decomposition of experimental X-ray diffraction patterns (profile fitting): a convenient way to study clay minerals. Clays and Clay Minerals 45, 132–146.

    Article  Google Scholar 

  • Lundström, U.S., van Breemen, N. and Bain, D.C. (2000a) The podzolization process. A review. Geoderma, 94, 91–107.

    Article  Google Scholar 

  • Lundström, U.S., van Breemen, N., Bain, D.C., van Hees, P.A.W., Giesler, R., Gustafsson, J.P., Ilvesniemi, H., Karltun, E., Melkerud, P.-A., Olsson, M., Riise, G., Wahlberg, O., Bergelin, A., Bishop, K., Finlay, R., Jongmans, A.G., Magnusson, T., Mannerkosky, H., Nordgren, A., Nyberg, L., Starr, M. and Tau Strand, L. (2000b) Advances in understanding the podzolization process resulting from a multidisciplinary study of three coniferous forest soils in the Nordic Countries. Geoderma, 94, 335–353.

    Article  Google Scholar 

  • Malcolm, R.L., Nettleton, W.D. and McCracken, R.J. (1969) Pedogenic formation of montmorillonite from a 2:1–2:2 intergrade clay mineral. Clays and Clay Minerals, 16, 405–414.

    Article  Google Scholar 

  • McDaniel, P.A., Falen, A.L., Tice, K.R., Graham, R.C. and Fendorf, S.E. (1995) Beidellite in E horizons of northern Idaho Spodosols formed in volcanic ash. Clays Clay Minerals, 43, 525–532.

    Article  Google Scholar 

  • Melkerud, P.-A., Bain, D.C., Jongmans, A.G. and Tarvainen, T. (2000) Chemical, mineralogical and morphological characterization of three podzols developed on glacial deposits in Northern Europe. Geoderma, 94, 125–148.

    Article  Google Scholar 

  • Mirabella, A. and Sartori, G. (1998) The effect of climate on the mineralogical properties of soils from the Val Genova Valley (Trentino, Italy). Fresenius Environmental Bulletin, 7, 478–483.

    Google Scholar 

  • Mirabella, A., Egli, M., Carnicelli, S. and Sartori, G. (2002) Influence of parent material on clay minerals formation in podzols of Trentino — Italy. Clay Minerals, 36, 699–707.

    Article  Google Scholar 

  • Moore, D.M. and Reynolds, R.C., Jr (1997) X-ray Diffraction and the Identification and Analysis of Clay Minerals, 2nd edition. Oxford University Press, New York.

    Google Scholar 

  • Olis, A.C., Malla, P.B. and Douglas, L.A. (1990) The rapid estimation of the layer charges of 2:1 expanding clays from a single alkylammonium ion expansion. Clay Minerals, 25, 39–50.

    Article  Google Scholar 

  • Pedrotti, F. (1993) Saggio di carta delle vegetazione della Regione Trentino. Alto Adige. Bolletino Associazione Italiana di Cartografia, 87–89, 149–154.

    Google Scholar 

  • Petit, S., Caillaud, J., Righi, D., Madejová, J., Elsass, F. and Köster, H.M. (2002) Characterization and crystal chemistry of Fe-rich montmorillonite from Ölberg, Germany. Clay Minerals, 37, 283–297.

    Article  Google Scholar 

  • Righi, D. and Meunier, A. (1991) Characterization and genetic interpretation of clays in acid brown soil (Dystrochrept) developed in a granitic saprolite. Clays and Clay Minerals, 39, 519–530.

    Article  Google Scholar 

  • Righi, D., Petit, S. and Bouchet, A. (1993) Characterization of hydroxy-interlayered vermiculite and illite-smectite interstratified minerals from the weathering of chlorite in a Cryorthod. Clays and Clay Minerals, 41, 484–495.

    Article  Google Scholar 

  • Righi, D., Räisänen, M.L. and Gillot, F. (1997) Clay mineral transformations in podzolized tills in central Finland. Clay Minerals, 32, 531–544.

    Article  Google Scholar 

  • Righi, D., Huber, K. and Keller, C. (1999) Clay formation and podzol development from postglacial moraines in Switzerland. Clay Minerals, 34, 319–332.

    Article  Google Scholar 

  • Ross, G.J. (1980) The mineralogy of Spodosols. Pp. 127–143 in: Soils with Variable Charge (B.K.G. Theng, editor). Soil Bureau, Department of Scientific and Industrial Research, Lower Hutt, NewZealand.

    Google Scholar 

  • Ross, G.J. and Mortland, M.M. (1966) A soil beidellite. Soil Science Society of America Proceedings, 3, 337–343.

    Article  Google Scholar 

  • Sartori, G. and Mancabelli, A. (2002) Atlante dei suoli del Parco Adamello-Brenta. Suoli e paesaggi. Parco Documenti, Strembo (Trento), in press.

  • Senkayi, A.L., Dixon, J.B. and Hossner, L.R. (1981) Transformation of chlorite to smectite through regularly interstratified intermediates. Soil Science Society of America Journal, 45, 650–656.

    Article  Google Scholar 

  • Tamura, T. (1958) Identification of clay minerals from acid soils. Journal of Soil Science, 9, 141–147.

    Article  Google Scholar 

  • Wilson, M.J. (1986) Mineral weathering processes in podzolic soils on granitic materials and their implications for surface water acidification. Journal of the Geological Society, London, 143, 691–697.

    Article  Google Scholar 

Download references

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Authors and Affiliations

  1. Istituto Sperimentale per lo Studio e la Difesa del Suolo, Piazza D’Azeglio 30, 50121, Firenze, Italy

    Aldo Mirabella

  2. Department of Physical Geography, University of Zürich, Winterthurerstrasse 190, 8057, Zürich, Switzerland

    Markus Egli

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  1. Aldo Mirabella
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  2. Markus Egli
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Correspondence to Aldo Mirabella.

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Mirabella, A., Egli, M. Structural Transformations of Clay Minerals in Soils of a Climosequence in an Italian Alpine Environment. Clays Clay Miner. 51, 264–278 (2003). https://doi.org/10.1346/CCMN.2003.0510303

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  • DOI: https://doi.org/10.1346/CCMN.2003.0510303

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