Montorfano GEOSITE

Title: Montorfano GEOSITE
Description: In the southern and eastern part of the Sesia Val Grande UNESCO global Geopark territory there are bodies of granites that intruded the Hercynian basement of the South Alpine Domain during the late Vasiscan phase. The age of the rock is estimated around 282 My. From some of these bodies are extracted ornamental stones, for example the white granite called “Bianco di Montorfano”.
Geosite element: White granite of Montorfano
Lithology: granite
Related to event: Permian Magmatic Event
Event process: intrusion
Older named age: Permian
Numeric age: 282 My
Interest: Petrographic; Geomining