Moltrasio Formation
The Moltrasio Formation (also known as the Lombardische Kieselkalk Formation, Saltrio Formation, Broccatello Formation and Alpe Perino Limestone) is a geological formation in Italy and Switzerland. This Formation mostly developed in the Sinemurian stage of the Lower Jurassic, where on the Lombardian basin tectonic activity modified the current marine and terrestrial habitats.