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“Serpentino della Valmalenco” (Central Alps, Northern Italy): A green dimension stone with outstanding properties

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  • Cavallo, Alessandro

Abstract

the “Serpentino della Valmalenco”, a group of serpentinite varieties, was quarried and used as a dimension and building stone since the XI century, especially in thin slabs for roof covering. The extractive activity initially took place in underground, moving to open pit quarries in the 20th century. It is currently a widely used and appreciated material on the international market, commercialized in several commercial varieties and processed in many ways. The schistose varieties are characterized by a marked mylonitic foliation, which confers excellent attitude to splitting, whereas the “massive” ones are suitable for paving and cladding. The rocks are made up of abundant antigorite, with minor olivine, clinopyroxene, chlorite and magnetite. The excellent values in compressive and flexural strength, as well as the extremely low porosity, are documented by ultra-centenarian roofs and high-stress applications. The significant historical heritage, represented by underground quarries, historic buildings, and trade routes, deserves to be enhanced with the development of geotouristic routes. At the same time, the peculiar chemical, mineralogical and microstructural characteristics of the material open the horizons to new applications.

Suggested Citation

  • Cavallo, Alessandro, 2022. "“Serpentino della Valmalenco” (Central Alps, Northern Italy): A green dimension stone with outstanding properties," Resources Policy, Elsevier, vol. 75(C).
    • Handle: RePEc:eee:jrpoli:v:75:y:2022:i:c:s030142072100475x
    DOI: 10.1016/j.resourpol.2021.102467
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    References listed on IDEAS

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    1. Cavallo, Alessandro, 2018. "Serpentinitic waste materials from the dimension stone industry: Characterization, possible reuses and critical issues," Resources Policy, Elsevier, vol. 59(C), pages 17-23.
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    Cited by:

    1. Castro, Nuria F. & Becerra, Javier E. & Bellopede, Rossana & Marini, Paola & Dino, Giovanna Antonella, 2022. "Introduction to ‘natural stones and cultural heritage promotion and preservation’," Resources Policy, Elsevier, vol. 78(C).

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