Borrelli L., Coniglio S., Critelli S., La Barbera A., Gullà G., 2015, Weathering grade in granitoid rocks_ The San Giovanni in Fiore area (Calabria, Italy), Journal of maps (2015). doi_10.1080/17445647.2015.1010742,
URL: http://www.cnr.it/prodotto/i/305550

This paper illustrates the methodology and techniques for the compilation of a thematic (engineering) geological map based on detailed mapping of the weathering grade of crystalline rocks occurring in a portion of the Sila Massif close to the San Giovanni in Fiore Village (Calabria, Italy). The map (1:5000 scale), covering an area of about 20 km2, was compiled combining new geological and structural data with the results of a weathering grade field survey. The methodology, used to distinguish and map the weathering grade classes, was performed using qualitative criteria, semi-quantitative tests, and petrographic analysis of weathered rock samples. The Main Map, presented in this paper, aims to provide a useful tool for land-use planning, for geological hazard assessment and engineering perspectives.

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