The Verbano Cusio Ossola Province is located in the central western Alps and has had great importance for geological studies about the Alps since the last century.
The Alps are a double-vergent chain : an European one and an African one, the southern Alps divided by an important tectonic line named Lineamento Periadriatico or Insubric Line...

Cathedral of Pavia
The Ossolano marbles, even if moderate in quantity compared to others materials, have had, even in the past, a great utilization, because of their intrinsic features and thanks to the good viability that has allowed them to reach easily cities like Milan and Pavia. Apart from the Candoglia pink marble, the varieties can be found. With this marble are made the stones used for the construction of the Cathedral of Pavia, during the XIV century, and for the colonnade and the statues for the Arco della Pace (Peace Arc) in Milan.