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Structural and geomorphological framework of the upper Maira Valley (Western Alps, Italy): the case study of the Gollone Landslide

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  • A. Petroccia
  • M. Bonasera
  • F. Caso
  • S. Nerone
  • M. Morelli
  • D. Bormioli
  • G. Moletta

Abstract

An interdisciplinary study has been adopted to investigate the upper Maira Valley (Western Alps, Italy). A geological map of an unmapped area, of about 12 km2, at scale 1:10.000, has been realized. The combination of field surveys, GIS database creation, aerial photo observation, local archival data consultation, geo-structural analysis and drillholes re-interpretation outlined a relationship between structures and landforms. A ductile and brittle deformation history with the definition of four discontinuity systems (F1-F4) has been detected. Where the fracturation is intense, rock-falls and topplings are triggered. In area associated with a homogeneous presence of weathered cover, debris flows were identified. The geo-structural pattern obtained from the surveys in the upper Maira Valley allowed characterizing detachment zones of the slope overlooking Acceglio town. The Gollone Landslide is an excellent case study to unravel the structural-morphological interaction and the kinematic evolution due to its framework.

Suggested Citation

  • A. Petroccia & M. Bonasera & F. Caso & S. Nerone & M. Morelli & D. Bormioli & G. Moletta, 2020. "Structural and geomorphological framework of the upper Maira Valley (Western Alps, Italy): the case study of the Gollone Landslide," Journal of Maps, Taylor & Francis Journals, vol. 16(2), pages 534-542, December.
    • Handle: RePEc:taf:tjomxx:v:16:y:2020:i:2:p:534-542
    DOI: 10.1080/17445647.2020.1784806
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    Cited by:

    1. Mauro Bonasera & Ciro Cerrone & Fabiola Caso & Stefania Lanza & Giandomenico Fubelli & Giovanni Randazzo, 2022. "Geomorphological and Structural Assessment of the Coastal Area of Capo Faro Promontory, NE Salina (Aeolian Islands, Italy)," Land, MDPI, vol. 11(7), pages 1-25, July.

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