Biondino, Deborah; Borrelli, Luigi; Critelli, Salvatore; Muto, Francesco; Apollaro, Carmine; Coniglio, Sabrina; Tripodi, Vincenzo; Perri, Francesco, 2020, A multidisciplinary approach to investigate weathering processes affecting gneissic rocks (Calabria, southern Italy), Catena (Cremling.) 187 (2020). doi_10.1016/j.catena.2019.104372,
URL: http://www.cnr.it/prodotto/i/419038

The paper focuses on the weathering processes affecting gneissic rocks of the western Sila Grande Massif (Calabria, Italy) through the development of an interdisciplinary research based on field studies and investigations, minero-petrographical analyses and geochemical modeling. Both physical and chemical weathering affect gneissic rocks of the study area, where the combination of tectonic and past climatic conditions played an important key role in the development of complex and deep weathering profiles. Field surveys and cut slope analyses highlight articulated and complex geometric relationships between various classes of weathering (i.e., out-of-sequence weathering horizons giving rise to a partial, or even complete inversion of the "normal" weathering profile). The weathering profile has turned out particularly intense, as classes IV, V and VI are widespread. Among the class VI, the colluvial soils are prominent in comparison whit the residual soils. Borehole logs, that confirm the intensity and complexity of weathering profiles in deep, allow to estimate the presence of weathered rocks to be at least 70 m in thicknesses.

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